drm: ioremap balanced with iounmap for drivers/char/drm
drm: ioremap balanced with iounmap for drivers/char/drm

ioremap must be balanced by an iounmap and failing to do so can result
in a memory leak.

Tested (compilation only) to make sure the files are compiling without
any warning/error due to new changes

Signed-off-by: Amol Lad <15e43f79e4563fde6c3452592b20e2241738524d@verismonetworks.com>
Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@linux.ie>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas