This patch is similar to commit 9dab2f51e (sparc: Enable __clzsi2() and
__clzdi2()) but for MIPS target and __clzdi2() only, __clzsi2() was
already enabled.
Suggested-by: Daniel Kiper <dkiper@net-space.pl>
Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>