ASoC: SDCA: Move allocation of PDE delays array

Move the allocation of the PDE delays array until after the size has
been adjusted, this saves an additional division and simplifies the
code slightly.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20250516131011.221310-4-ckeepax@opensource.cirrus.com


Signed-off-by: Mark Brown <broonie@kernel.org>