binutils: Fix gas error with cfi_section inconsistencies

binutils: Fix gas error with cfi_section inconsistencies

This error is visible when using clang but not when using gcc
this has been reported and fixed upstream.

llvm bug https://llvm.org/bugs/show_bug.cgi?id=29017
binutils bug https://sourceware.org/bugzilla/show_bug.cgi?id=20648

(From OE-Core rev: e5a81575f11dc2a0ec9ee4184514750d2dbd09aa)

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