Merge tag 'pxa-for-4.6' of https://github.com/rjarzmik/linux into next/soc

Merge "pxa changes for v4.6 cycle" from Robert Jarzmik:

This is a minor cycle with :
 - cleanup fixes from Arnd, mainly build oriented and sparse type ones
 - dma fixes for requestors above 32 (impacting mainly camera driver)
 - some minor cleanup on pxa3xx device-tree side

* tag 'pxa-for-4.6' of https://github.com/rjarzmik/linux:
  dmaengine: pxa_dma: fix the maximum requestor line
  ARM: pxa: add the number of DMA requestor lines
  dmaengine: mmp-pdma: add number of requestors
  dma: mmp_pdma: Add the #dma-requests DT property documentation
  ARM: pxa: pxa3xx device-tree support cleanup
  ARM: pxa: don't select RFKILL if CONFIG_NET is disabled
  ARM: pxa: fix building without IWMMXT
  ARM: pxa: move extern declarations to pm.h
  ARM: pxa: always select one of the two CPU types
  ARM: pxa: don't select GPIO_SYSFS for MIOA701
  ARM: pxa: mark unused eseries code as __maybe_unused
  ARM: pxa: mark spitz_card_pwr_ctrl as __maybe_unused
  ARM: pxa: define clock registers as __iomem

arch/arm/Kconfig

@@ -547,6 +547,7 @@ config ARCH_PXA
 	select CLKSRC_PXA
 	select CLKSRC_MMIO
 	select CLKSRC_OF
+	select CPU_XSCALE if !CPU_XSC3
 	select GENERIC_CLOCKEVENTS
 	select GPIO_PXA
 	select HAVE_IDE