Add GPU OC tab for testing

PS2: sort strings a little and make Current max/min
     with one blank space more
PS3: add blank space in a proper place that works
PS3: add landscape and tablet layout, fix set on boot
PS4: fix landscape FC
PS5: fix landscape FC for real this time

Change-Id: I5db1b6fbf82144c700570f42a0ed0c8faabd2691