ASoC: tlv320aic32x4 fix initialization of micpga routing

Checking the pdata-flags used 'or', so the check is always true. Use 'and' to
correctly mask the flags.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Javier Martin <javier.martin@vista-silicon.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>