Switch "hexagon-qurt" 🡪 "hexagon-unknown-qurt"

For consistency w/other targets, let's converge on hexagon-unknown-qurt.

Perhaps we'll change rust to add some target aliases - in which case
we could use both hexagon-unknown-qurt and hexagon-qurt.

Author: androm3da

compiler/rustc_target/src/spec/mod.rs

@@ -1487,7 +1487,7 @@ supported_targets! {
     ("mips64el-unknown-linux-muslabi64", mips64el_unknown_linux_muslabi64),
     ("hexagon-unknown-linux-musl", hexagon_unknown_linux_musl),
     ("hexagon-unknown-none-elf", hexagon_unknown_none_elf),
-    ("hexagon-qurt", hexagon_qurt),
+    ("hexagon-unknown-qurt", hexagon_unknown_qurt),
 
     ("mips-unknown-linux-uclibc", mips_unknown_linux_uclibc),
     ("mipsel-unknown-linux-uclibc", mipsel_unknown_linux_uclibc),

compiler/rustc_target/src/spec/targets/hexagon_qurt.rs renamed to compiler/rustc_target/src/spec/targets/hexagon_unknown_qurt.rs

@@ -314,7 +314,7 @@ target | std | host | notes
 `csky-unknown-linux-gnuabiv2hf` | ✓ |  | C-SKY abiv2 Linux, hardfloat (little endian)
 [`hexagon-unknown-linux-musl`](platform-support/hexagon-unknown-linux-musl.md) | ✓ | | Hexagon Linux with musl 1.2.3
 [`hexagon-unknown-none-elf`](platform-support/hexagon-unknown-none-elf.md)| * | | Bare Hexagon (v60+, HVX)
-[`hexagon-qurt`](platform-support/hexagon-qurt.md)| * | | Hexagon QuRT
+[`hexagon-unknown-qurt`](platform-support/hexagon-unknown-qurt.md)| * | | Hexagon QuRT
 [`i386-apple-ios`](platform-support/apple-ios.md) | ✓ |  | 32-bit x86 iOS (Penryn) [^x86_32-floats-return-ABI]
 [`i586-unknown-netbsd`](platform-support/netbsd.md) | ✓ |  | 32-bit x86 (original Pentium) [^x86_32-floats-x87]
 [`i586-unknown-redox`](platform-support/redox.md) | ✓ |  | 32-bit x86 Redox OS (PentiumPro) [^x86_32-floats-x87]

src/doc/rustc/src/platform-support.md

@@ -1,12 +1,12 @@
-# `hexagon-qurt`
+# `hexagon-unknown-qurt`
 
 **Tier: 3**
 
 Rust for Hexagon QuRT (Qualcomm Real-Time OS).
 
 | Target               | Description |
 | -------------------- | ------------|
-| hexagon-qurt | Hexagon 32-bit QuRT |
+| hexagon-unknown-qurt | Hexagon 32-bit QuRT |
 
 ## Target maintainers
 
@@ -47,9 +47,9 @@ list in `bootstrap.toml`:
 [build]
 build-stage = 1
 host = ["<target for your host>"]
-target = ["<target for your host>", "hexagon-qurt"]
+target = ["<target for your host>", "hexagon-unknown-qurt"]
 
-[target.hexagon-qurt]
+[target.hexagon-unknown-qurt]
 cc = "hexagon-clang"
 cxx = "hexagon-clang++"
 ranlib = "llvm-ranlib"
@@ -74,7 +74,7 @@ configuration with additional linker flags:
 
 ```sh
 # Build a static executable for QuRT
-cargo rustc --target hexagon-qurt -- \
+cargo rustc --target hexagon-unknown-qurt -- \
     -C link-args="-static -nostdlib" \
     -C link-args="-L/opt/Hexagon_SDK/6.3.0.0/rtos/qurt/computev69/lib" \
     -C link-args="-lqurt -lc"
@@ -92,7 +92,7 @@ For shared libraries that can be dynamically loaded by QuRT applications:
 
 ```sh
 # Build a shared object for QuRT
-cargo rustc --target hexagon-qurt \
+cargo rustc --target hexagon-unknown-qurt \
     --crate-type=cdylib -- \
     -C link-args="-shared -fPIC" \
     -C link-args="-L/opt/Hexagon_SDK/6.3.0.0/rtos/qurt/computev69/lib"
@@ -111,7 +111,7 @@ The target can be customized for different use cases:
 ### For Static Images
 ```toml
 # In .cargo/config.toml
-[target.hexagon-qurt]
+[target.hexagon-unknown-qurt]
 rustflags = [
     "-C", "link-args=-static",
     "-C", "link-args=-nostdlib",
@@ -122,7 +122,7 @@ rustflags = [
 ### For Shared Objects
 ```toml
 # In .cargo/config.toml
-[target.hexagon-qurt]
+[target.hexagon-unknown-qurt]
 rustflags = [
     "-C", "link-args=-shared",
     "-C", "link-args=-fPIC",
@@ -132,7 +132,7 @@ rustflags = [
 
 ## Testing
 
-Since `hexagon-qurt` requires the QuRT runtime environment, testing requires
+Since `hexagon-unknown-qurt` requires the QuRT runtime environment, testing requires
 either:
 - Hexagon hardware with QuRT
 - `hexagon-sim`

src/doc/rustc/src/platform-support/hexagon-unknown-qurt.md

@@ -232,9 +232,9 @@
 //@ revisions: hexagon_unknown_none_elf
 //@ [hexagon_unknown_none_elf] compile-flags: --target hexagon-unknown-none-elf
 //@ [hexagon_unknown_none_elf] needs-llvm-components: hexagon
-//@ revisions: hexagon_qurt
-//@ [hexagon_qurt] compile-flags: --target hexagon-qurt
-//@ [hexagon_qurt] needs-llvm-components: hexagon
+//@ revisions: hexagon_unknown_qurt
+//@ [hexagon_unknown_qurt] compile-flags: --target hexagon-unknown-qurt
+//@ [hexagon_unknown_qurt] needs-llvm-components: hexagon
 //@ revisions: i686_pc_nto_qnx700
 //@ [i686_pc_nto_qnx700] compile-flags: --target i686-pc-nto-qnx700
 //@ [i686_pc_nto_qnx700] needs-llvm-components: x86