Override mcpu option of ToolingCFlags when mcpu is eyxnos-m2.

sAbiDumper uses one year old clang which does not support
recent mcpu options like exynos-m2.
So, we set mcpu=cortex-a53 for ToolingCFlags.

Change-Id: I294ca692181fd2cbc6ba5efb1e4e2d2d605b7a85
Signed-off-by: Junmo Park <junmoz.park@samsung.com>

cc/sabi.go

@@ -67,6 +67,13 @@ func (sabimod *sabi) flags(ctx ModuleContext, flags Flags) Flags {
 	// Assuming that the cflags which clang LibTooling tools cannot
 	// understand have not been converted to ninja variables yet.
 	flags.ToolingCFlags = filterOutWithPrefix(flags.CFlags, config.ClangLibToolingUnknownCflags)
+
+	// RSClang does not support recent mcpu option likes exynos-m2.
+	// So we need overriding mcpu option when we want to use it.
+	if ctx.Arch().CpuVariant == "exynos-m2" {
+		flags.ToolingCFlags = append(flags.ToolingCFlags, "-mcpu=cortex-a53")
+	}
+
 	return flags
 }