habanalabs: dynamic fw load reset protocol

First stage of the dynamic FW load protocol is to reset the protocol to
avoid residues from former load cycles.

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>