ASoC: fsl_xcvr: fix break condition

The break condition copied by mistake as same
as loop condition in the previous version, but must
be the opposite. So fix it.

Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Link: https://lore.kernel.org/r/20201102161810.902464-1-viorel.suman@oss.nxp.com


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