build_kernel: Add clang-r487747c

Change-Id: I005338a0f6f96eaabd1c21df084d5df360abb3db

Author: SebaUbuntu

build_kernel/utils/toolchain.py

@@ -148,8 +148,9 @@ def get_make_flags(self, arch: Arch) -> List[str]:
 class ClangToolchain(_ClangToolchain):
 	VERSIONS = {
 		"r416183b1": _ClangToolchain("r416183b1"),
+		"r487747c": _ClangToolchain("r487747c"),
 	}
-	DEFAULT = VERSIONS["r416183b1"]
+	DEFAULT = VERSIONS["r487747c"]
 
 	@classmethod
 	def from_version(cls, version: str) -> _ClangToolchain: