New gcc (4.8 or later) used new shift helper functions.
So we need added new helper to private libgcc.
Signed-off-by: NYoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: NRich Felker <dalias@libc.org>

This moves in the necessary libgcc bits for SUPERH32 and drops the
libgcc linking for the regular targets. This in turn allows us to rip
out quite a few hacks both in sh_ksyms_32 and arch/sh/Makefile.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>