Modify the drm device driver name in pl111 drmmode
Modify the drm device driver name in pl111 drmmode

"pl111_drm" should be used as the drm device driver name instead of "pl111"

Change-Id: I8dc740a7b68c7bb69a2a4a585d85cca2a88753e6

apxii/xf86-video-armsoc,singulared/xf86-video-armsoc,singulared/xf86-video-armsoc,xin3liang/xf86-video-armsoc,apxii/xf86-video-armsoc,xin3liang/xf86-video-armsoc