replace:
 #if defined(CONFIG_VIDEOBUF2_VMALLOC) || \
     defined(CONFIG_VIDEOBUF2_VMALLOC_MODULE)
with:
 #if IS_ENABLED(CONFIG_VIDEOBUF2_VMALLOC)
This change was made for: CONFIG_VIDEOBUF2_VMALLOC,
CONFIG_VIDEOBUF2_DMA_CONTIG, CONFIG_VIDEOBUF2_DMA_SG
Reported-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>