habanalabs/gaudi: implement state dump

At the first stage, only gaudi core dump shall be implemented, not
including the status registers.

Signed-off-by: Yuri Nudelman <ynudelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>