toolchain/clang: Set compiler providers correctly

The clang toolchain include file contained some incorrect settings from
the initial draft of the file. Fix those to point at the correct compiler.

Signed-off-by: Richard Purdie <[email protected]>

Author: rpurdie

meta/conf/toolchain/clang.inc

@@ -17,11 +17,11 @@ READELF = "${HOST_PREFIX}llvm-readelf"
 PREFERRED_PROVIDER_virtual/cross-cc = "${MLPREFIX}clang-cross-${TARGET_ARCH}"
 PREFERRED_PROVIDER_virtual/cross-c++ = "${MLPREFIX}clang-cross-${TARGET_ARCH}"
 PREFERRED_PROVIDER_virtual/compilerlibs = "gcc-runtime"
-PREFERRED_PROVIDER_virtual/cross-cc:class-nativesdk = "gcc-crosssdk-${SDK_SYS}"
-PREFERRED_PROVIDER_virtual/cross-c++:class-nativesdk = "gcc-crosssdk-${SDK_SYS}"
+PREFERRED_PROVIDER_virtual/cross-cc:class-nativesdk = "clang-crosssdk-${SDK_SYS}"
+PREFERRED_PROVIDER_virtual/cross-c++:class-nativesdk = "clang-crosssdk-${SDK_SYS}"
 
-PREFERRED_PROVIDER_virtual/nativesdk-cross-cc = "gcc-crosssdk-${SDK_SYS}"
-PREFERRED_PROVIDER_virtual/nativesdk-cross-c++ = "gcc-crosssdk-${SDK_SYS}"
+PREFERRED_PROVIDER_virtual/nativesdk-cross-cc = "clang-crosssdk-${SDK_SYS}"
+PREFERRED_PROVIDER_virtual/nativesdk-cross-c++ = "clang-crosssdk-${SDK_SYS}"
 PREFERRED_PROVIDER_virtual/nativesdk-compilerlibs = "nativesdk-gcc-runtime"
 
 BASE_DEFAULT_DEPS:append:class-target = " compiler-rt"