ARM: dts: msm: move audio codec node to CDP dtsi

External codec is supported only for CDP.
As external code node is added in 8916 dtsi file,
gpio's are configured as per codec requirements.
Which is resulting in extra power consumption in MTP.
So move codec node to CDP dtsi file.

CRs-Fixed: 668437
Change-Id: I7f7d0da71bd16210d9af741cd9288e742ef85b7e
Signed-off-by: Yeleswarapu Nagaradhesh <nagaradh@codeaurora.org>