add CHIP_SPECS and CHIP_SPECS_2 bitfields

The strucutre of the those two registers was found here:
https://github.com/gcwnow/linux/blob/jz-3.12/drivers/gpu/vivante/v4/gc_hal_kernel_hardware.c#L46

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
update all generated .h files

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>