[ARM] amba-clcd: Allow RGB555 and RGB565 with 16bpp
[ARM] amba-clcd: Allow RGB555 and RGB565 with 16bpp

Some folk want to use RGB555 rather tahn RGB565 with amba-clcd.
Allow amba-clcd to accept either pixel format.

Signed-off-by: Russell King <f6aa0246ff943bfa8602cdf60d40c481b38ed232@arm.linux.org.uk>

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