powerpc/64s/exception: Clean up SRR specifiers

Remove more magic numbers and replace with nicely named bools.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200225173541.1549955-19-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2020-02-26 03:35:27 +10:00 • committed by Michael Ellerman
commit 3f7fbd97d0