klibc: Pass -fno-builtin-bcmp with musl/clang combo
klibc: Pass -fno-builtin-bcmp with musl/clang combo

clang would emit bcmp built-in for musl bases system
but here we do not link in musl C library, so its best
to disable it

Fixes
git/usr/klibc/memmem.c:38: undefined reference to `bcmp'

Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>
Cc: Andrea Adami <58a22b0beb8ec13ae546a060c8b4c576f22f6153@gmail.com>

moto-timo/meta-openembedded,moto-timo/meta-openembedded,rehsack/meta-openembedded,VCTLabs/meta-openembedded,lgirdk/meta-openembedded,victronenergy/meta-openembedded,mrchapp/meta-openembedded,lgirdk/meta-openembedded,victronenergy/meta-openembedded,rehsack/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,VCTLabs/meta-openembedded,lgirdk/meta-openembedded,VCTLabs/meta-openembedded,rehsack/meta-openembedded,lgirdk/meta-openembedded,mrchapp/meta-openembedded,lgirdk/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,openembedded/meta-openembedded,mrchapp/meta-openembedded,victronenergy/meta-openembedded,mrchapp/meta-openembedded,VCTLabs/meta-openembedded,rehsack/meta-openembedded,openembedded/meta-openembedded,mrchapp/meta-openembedded,rehsack/meta-openembedded,moto-timo/meta-openembedded,lgirdk/meta-openembedded,schnitzeltony/meta-openembedded,victronenergy/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,VCTLabs/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,moto-timo/meta-openembedded,mrchapp/meta-openembedded,VCTLabs/meta-openembedded,victronenergy/meta-openembedded,moto-timo/meta-openembedded,lgirdk/meta-openembedded,victronenergy/meta-openembedded,rehsack/meta-openembedded,victronenergy/meta-openembedded,openembedded/meta-openembedded,VCTLabs/meta-openembedded,schnitzeltony/meta-openembedded