compiler-rt: Fix install location for native builds

compiler-rt: Fix install location for native builds

Currently, clang when used for native builds and uses --rtlib=compiler-rt
does not find the LLVM runtime because its installed in different
directory than where compiler expects it to be. As a result, build fails
for packages using clang in both capacity ( native and cross )
e.g. qtwebengine

Make the build work across native sanitizers as well.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>