binutils: Fix CVE-2021-20197

Source: git://sourceware.org/git/binutils-gdb.git
Tracking -- https://sourceware.org/bugzilla/show_bug.cgi?id=26945



Backported upstream commit d3edaa91d4cf7202ec14342410194841e2f67f12 to
binutils-2.36 source along with commit id dependencies
(8e03235147a9e774d3ba084e93c2da1aa94d1cec and 8b69e61d4be276bb862698aaafddc3e779d23c8f).

Signed-off-by: Vinay Kumar <vinay.m.engg@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>