ARM: dts: msm: Add device tree support for MSM8909 MTP with WCD9326

MSM8909 MTP have WCD9326 external codec. Add skeleton
device tree support for this platform.

Change-Id: Icbc1eb60278498dd07f3f8895a58031a8a602f23
Signed-off-by: Venkatesh Yadav Abbarapu <vabbar@codeaurora.org>