linux-phytec-fsl

booke: Added crit/mc exception handler for e500v2

Watchdog is taken at critical exception level. So this patch
is tested with host watchdog exception happening when guest
is running.

Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>