ASoC: rt721-sdca: Clean logically deadcode in rt721-sdca.c

As the same condition was checked in inner and outer if
statements. The code never reaches the inner else statement.

This issue was reported by Coverity Scan with CID = 1600271.

Signed-off-by: Everest K.C. <everestkc@everestkc.com.np>
Link: https://patch.msgid.link/20241008234422.5274-1-everestkc@everestkc.com.np


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