microblaze: exception: move unaligned access printfs inside switch case

The unaligned access messages are only valid in the case of an unaligned
data access exception. Do not print them for other types of hw exceptions.

Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Link: https://lore.kernel.org/r/20220213080925.1548411-5-ovidiu.panait@windriver.com


Signed-off-by: Michal Simek <michal.simek@xilinx.com>