ASoC: msm: qdsp6v2: add support for latest version of media format command

Add support for ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V4
command. This command adds support to playback/record 32 bit data
in 32 bit word and also provides a way to inform DSP about the
endianness of the data.

CRs-Fixed: 2129947
Change-Id: I3b013bedde8ccfa97a02e255e237df0cf2de13b8
Signed-off-by: Ashish Jain <ashishj@codeaurora.org>