northbridge/amd/{gx2,lx}: Qualify pointer with `volatile`

There is no guarantee reading a dereferenced null pointer will not be
optimised away. Qualify the integer storage type with volatile. Clang
enforces this explicitness.

Change-Id: I31524141d70632cade0490c820936a3a8b570346
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6148
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

0 files changed, 0 insertions, 0 deletions