staging: vme: devices: fix NULL comparison style
staging: vme: devices: fix NULL comparison style

This is a patch to vme_pio2_core.c that fixes up the NULL comparison style.

Signed-off-by: Junsu Shin <a86bac17b4849f28de2dba9e29acae47ec108b54@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs