kernel: Configure GPIOs for I2S based on revision/card settings
See: https://github.com/raspberrypi/linux/pull/648

kernel: usb: core: make overcurrent messages more prominent
See: https://github.com/raspberrypi/linux/commit/c2c7b731b32c568f3a1da1352ddcf061489ac862

firmware: arm_display: Fix size of warning with lower resolutions
See: http://www.raspberrypi.org/forums/viewtopic.php?f=78&t=83303

firmware: gpioman: Add ability to set PLLs and gpio clocks

firmware: arbiter: Increase HVS priority to 12
See: http://openelec.tv/forum/124-raspberry-pi/71838-audio-cutting-out-when-deinterlace-is-on

firmware: gpioman: Add drive strengths to force gpio bank0 to 8mA (as it was before gpioman)
See: https://github.com/tvdzwan/hyperion/issues/136

firmware: OV5647 tuner. Avoid a global pointer for tuning config.

firmware: Add basic flash driver just using two GPIOs.
See: http://www.raspberrypi.org/forums/viewtopic.php?t=83353&p=590423

firmware: Add MMAL parameters for disabling stills and video denoise algos
See: http://www.raspberrypi.org/forums/viewtopic.php?t=83353&p=590423

firmware: mmal: Support omx flag OMX_BUFFERFLAG_DECODEONLY