[ARM] 4828/1: fix 3 warnings in drivers/video/pxafb.c
[ARM] 4828/1: fix 3 warnings in drivers/video/pxafb.c

* Silence a debug output.
* Silence three sparse warnings, one still left.

Signed-off-by: Holger Schurig <7d2dad709f28de37ce9f3896977c502a3cc4d287@mail.mn-solutions.de>
Signed-off-by: Russell King <f6aa0246ff943bfa8602cdf60d40c481b38ed232@arm.linux.org.uk>

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