Merge "device-tree pxa update" from Robert Jarzmik:
- clocks descriptions (pxa27x, pxa3xx)
- timer descriptions (pxa27x, pxa3xx)
- IPs which are embedded on the SoC
- keypad
- udc (USB client)
- power I2C
These are amongst the building blocks for future pxa device-tree board
description.
* tag 'pxa-dt-4.2' of https://github.com/rjarzmik/linux:
ARM: dts: pxa: add pxa-timer to pxa27x and pxa3xx
ARM: dts: pxa: add pxa27x-keypad to pxa27x
ARM: dts: pxa: add pxa27x-udc to pxa27x
ARM: dts: pxa: add clocks
ARM: dts: pxa: add pwri2c to pxa device-tree