[ALPS05442975] ASoC: audio non-KS driver only support <4GB dram

K4.19 kernel use coherent_dma_mask to check driver capability.
Audio non-KS driver only support <4GB dram,
so need to set DMA_BIT_MASK(32)

MTK-Commit-Id: 668d0c54e275450e8e5e189aba13648c9ae3d785

Change-Id: I3bc2d6f94573af037a797c89b0d87c720fb589ca
Signed-off-by: Ting-Fang Hou <ting-fang.hou@mediatek.com>
CR-Id: ALPS05442975
Feature: [Module]Audio Kernel