ARM: dts: mdm: Add initial device node support for MDM9650

Add snapshot of initial set of device tree files, pinctrl
driver and config options required to build MDM9650 from
msm-3.18 'commit fc7eae29037d ("Merge soc: qcom:
bgspi: soft reset Blackghost on failure to resume")'.

Change-Id: I58d6e4d345730c6b5b0b5de02b9b1786c5aa2c28
Signed-off-by: Abinaya P <abinayap@codeaurora.org>