Backport upstream fix for building uclibc for SH4 with recent gcc:
http://git.uclibc.org/uClibc/commit/?id=2c8a7766681b704e710f51c0817534e3f9a952d1
(From OE-Core rev: aa20c3dc33d93a9bd8c81a3b7c1f8f6bbb354d0b)
Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>