x264: Disable asm on musl/x86

Fixes

WARNING: x264-r2854+gitAUTOINC+e9a5903edf-r0 do_package_qa: QA Issue: ELF binary '/mnt/a/yoe/build/tmp/work/i586-yoe-linux-musl/x264/r2854+gitAUTOINC+e9a5903edf-r0/packages-split/x264/usr/lib/libx264.so.152'
has relocations in .text [textrel]
WARNING: x264-r2854+gitAUTOINC+e9a5903edf-r0 do_package_qa: QA Issue: ELF binary '/mnt/a/yoe/build/tmp/work/i586-yoe-linux-musl/x264/r2854+gitAUTOINC+e9a5903edf-r0/packages-split/x264-bin/usr/bin/x264'
has relocations in .text [textrel]

(From OE-Core rev: ea1204c6d9a02f0e38cf616e89d46530908972bb)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-multimedia/x264/x264_git.bb

@@ -23,6 +23,7 @@ S = "${WORKDIR}/git"
 inherit lib_package pkgconfig perlnative
 
 X264_DISABLE_ASM = ""
+X264_DISABLE_ASM_x86_libc-musl = "--disable-asm"
 X264_DISABLE_ASM_armv4 = "--disable-asm"
 X264_DISABLE_ASM_armv5 = "--disable-asm"
 X264_DISABLE_ASM_powerpc = "${@bb.utils.contains("TUNE_FEATURES", "spe", "--disable-asm", "", d)}"