Add changelog entry

Author: sirhcel

CHANGELOG.md

@@ -2,7 +2,17 @@
 
 ## Not yet released
 
-[Full Changelog](https://github.com/rust-embedded/rust-spidev/compare/0.6.0...HEAD)
+[Full Changelog](https://github.com/rust-embedded/rust-spidev/compare/0.6.1...HEAD)
+
+## 0.6.1 / 2025-10-23
+
+[Full Changelog](https://github.com/rust-embedded/rust-spidev/compare/0.6.0...0.6.1)
+
+- Backport `read_write_in_place` from [#49](https://github.com/rust-embedded/rust-spidev/pull/49)
+  for fixing
+  [linux-embedded-hal/#120](https://github.com/rust-embedded/linux-embedded-hal/issues/120)
+  with a patch release
+
 
 ## 0.6.0 / 2023-08-03