linux: dwc_otg: root port and FIQ bugfixes
See: https://github.com/raspberrypi/linux/pull/352

firmware: audioplus: avoid a race condition that can cause lost hdmi audio when pausing and unpausing too quickly

firmware: dispmanx: Correct VC_IMAGE_TRANSFORM_T to DISPMANX_TRANFORM_T where appropriate

firmware: audio: add support for arbitrary 8x8 channel mixing to be specified from host
See: https://github.com/popcornmix/omxplayer/issues/29