Mistakenly removed musl-fixes.patch in previous commit.
update & Include 0001-Musl-build-fix.patch based on latest upstream of ot-br-posix
Remove CXXFLAGS:append:libc-musl:toolchain-clang = " -Wno-error=sign-compare
-Wno-error=unused-but-set-variable", as issue is not reproducible with
current SRCREV of ot-br-posix.
Signed-off-by: deepan.shivap <deepan.shivap@lge.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>