Pull Devicetree updates from Rob Herring:

 - Remove an obsolete hack for PPC32 longtrail systems

 - Make of_io_request_and_map() "name" arg optional

 - Add vendor prefixes for bitmain, Asus, and Y Soft

 - Remove 'interrupt-parent' from bindings as it is implicit

 - New properties for wm8994 audio codec

 - Add 'clocks' property support to SRAM binding

 - Add binding for ASPEED coprocessor interrupt controller

 - Various binding spelling and link fixes

* tag 'devicetree-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  Documentation: remove dynamic-resolution-notes reference to non-existent file
  dt-bindings: Add Y Soft Corporation vendor prefix
  of/fdt: Remove PPC32 longtrail hack in memory scan
  dt-bindings: remove 'interrupt-parent' from bindings
  pinctrl: tegra: fix spelling in devicetree binding document
  usb: dwc3: rockchip: Fix PHY documentation links.
  dt-bindings: sound: wm8994: document wlf,csnaddr-pd property
  dt-bindings: sound: wm8994: document wlf,spkmode-pu property
  dt-bindings: sram: Add 'clocks' as an optional property
  dt-bindings: Add vendor prefix for AsusTek Computer Inc.
  dt-bindings: misc: ASPEED coprocessor interrupt controller
  dt-bindings: gpio: pca953x: Document interrupts, update example
  drivers/of: Make of_io_request_and_map() "name" argument optional
  dt-bindings: Add bitmain vendor prefix
  Documentation: devicetree: tilcdc: fix spelling mistake "suppors" -> "supports"