microblaze: Raise SIGFPE/FPE_INTDIV for div by zero

It fixes the signal nr raised for divizion by zero from
SIGILL to SIGFPE, in accordance to POSIX and other archs.

This came up due to a failed test in the GCC testsuite.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
1 file changed