Raise clocks
video: tegra: change to rate requests per clock

change the ioctls for set and get the clock rate to allow setting
each clock separately, a clock is specified with module id
video: tegra: fix empty name for undefined syncpts
video: tegra: use workqueues in syncpoint isr
Added SLQB memory allocator.
video: tegra: 3d register read patch (see commit msg)

move 3d register read operations to the 3d device itself
and let 3d devices on tegra3 use direct to memory to read
the operations

Conflicts:
	include/linux/nvhost.h