Merge tag 'qcom-dt-for-4.3' into v4.2-rc2

Qualcomm ARM Based Device Tree Updates for v4.3

* Switch to use pinctrl compatible for GPIOs
* Add RPM regulators for MSM8960
* Add SPI Ethernet support on MSM8960 CDP
* Add SMEM support along with dependencies
* Add PM8921 support for GPIO and MPP
* Fix GSBI cell index
* Switch to use real regulators on APQ8064 w/ SDCC