target/hexagon: Fix badva reference, delete CAUSE

The BADVA reg is referred to with the wrong identifier.  The
CAUSE reg field of SSR is not yet modeled, we will dump
the SSR in a subsequent commit.

Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>

Author: androm3da

target/hexagon/cpu.c

@@ -216,8 +216,7 @@ static void hexagon_dump(CPUHexagonState *env, FILE *f, int flags)
     qemu_fprintf(f, "  cs0 = 0x00000000\n");
     qemu_fprintf(f, "  cs1 = 0x00000000\n");
 #else
-    print_reg(f, env, HEX_REG_CAUSE);
-    print_reg(f, env, HEX_REG_BADVA);
+    print_reg(f, env, HEX_SREG_BADVA);
     print_reg(f, env, HEX_REG_CS0);
     print_reg(f, env, HEX_REG_CS1);
 #endif