asoc: codecs: wcd938x: Remove hifi modes for wcd9380

wcd9380 codec version does not support hifi modes.
Remove the support for the same for platforms with
that codec version.

Change-Id: If43bcc41c3fe2955907a148351b7a7aebf37699f
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>