pvr: Add PVR back to the kernel (DDK 1.9@2291151)

Note: gpsIONClient was renamed to gpsIONClientPVR due to a conflict with omaplfb.

TODO: Kconfig and Makefile clean-up.
fml-config: Add PVR back.
omap: Fix warning when OMAP errata options are disabled.
fml-config: Fix PVR config.
sgxfreq: add sysfs interface to store frequency limit
pvr: Add 'cool' sgxfreq governor.

Fixes building with thermal framework.
update config for static pvr
pvr: Fix build when CONFIG_GCBV is enabled.