ASoc: msm: support SEC_MI2S_TX port routing to MultiMedia20

Add new frontend MultiMedia20 and update routing to support ASM
Loopback from SEC_MI2S_TX port to TDM port.

CRs-Fixed: 2045651
Change-Id: Ief9ebfda4469d0761ff96bf673b9d593a9576f44
Signed-off-by: Cong Tang <congt@codeaurora.org>
3 files changed