musl: Use gcc to compile always
musl: Use gcc to compile always

clang needs built-ins from compiler-rt to build musl
and compiler-rt needs a full toolchain to build which means
we have a catch-22 on x32 with clang/musl, for now use gcc
to compile musl to break the jinx

Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

kraj/meta-clang,kraj/meta-clang,kraj/meta-clang