binutils: Upgrade to 2.37 branch

This is next/latest release branch for binutils
Drop backports and CVE fixes which already are applied upstream

bfd_stdint.h has been removed in favor of using stdint.h

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