Use the new unreachable() macro instead of while(1);
Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com>
Acked-by: NRalf Baechle <ralf@linux-mips.org>
CC: linux-mips@linux-mips.org
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>