sh: Fix SH4 build with GCC versions without -m4-nofpu

Pass -m4 instead of -m4-nofpu to GCC versions which do not support
the -m4-nofpu option.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
1 file changed