accel/habanalabs: improve etf configuration

coresight ETF blocks have different size. As a result, sync packets
need to be aligned based on fifo size.

Signed-off-by: Benjamin Dotan <bdotan@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>