ARM: dts: msm: Audio bringup fixes for SDM660

Update gpio settings as per HW VI audio
values. Also move common settings of external
and internal codecs to new files.

Change-Id: I0d3e0878972038a7876a063648156126b2a7cee4
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>