rust: enable for 32-bit arm

Everything is now in place to enable Rust support on 32-bit
arm. Enable only on architectures compatible with the armv6
instruction set.

Signed-off-by: Sven Van Asbroeck <[email protected]>

Author: Sven Van Asbroeck

init/Kconfig

@@ -58,7 +58,7 @@ config LLD_VERSION
 	default 0
 
 config HAS_RUST
-	depends on ARM64 || (PPC64 && CPU_LITTLE_ENDIAN) || X86_64
+	depends on ARM64 || CPU_32v6 || CPU_32v6K || (PPC64 && CPU_LITTLE_ENDIAN) || X86_64
 	def_bool $(success,$(RUSTC) --version)
 
 config RUSTC_VERSION