ASoC: rt5663: fix a debug statement

We increment "i" before printing the debug statement.  That makes it
the wrong sleep_time[] information and Smatch complains that the last
increment could be beyond the end of the array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>