soundwire: cadence: commit changes in the exit_reset() sequence

Follow recommended flows, the BUS_RESET must be programmed before the
UPDATE_CONFIG.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200317163329.25501-16-pierre-louis.bossart@linux.intel.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>