ASoC: add 352800Hz into the pcm known rates

Add 352800Hz into pcm known rates to match with the sound
sample rate macro definitions.

CRs-Fixed: 1082850
Change-Id: Iedd78288f71ddcaa9fcb2f63bd3b73be2c0006dd
Signed-off-by: Walter Yang <yandongy@codeaurora.org>
Signed-off-by: Meng Wang <mwang@codeaurora.org>