MX2: Fix mx2_camera clock regression.
MX2: Fix mx2_camera clock regression.

The following patch breaks mx2_camera driver:
http://git.linuxtv.org/media_tree.git?a=commitdiff;h=52f1a845e25dc0c6435153aca1a170e20b282429

This change fixes the problem.

Signed-off-by: Javier Martin <bc650ed6f7e96f783596936e885b30ab9a703a6b@vista-silicon.com>
Signed-off-by: Sascha Hauer <c00cbc2b736c26791a3822db86f8796fe9efff67@pengutronix.de>

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