Revert "Revert "ENGR00288972 HDMI: unmask overflow interrupter when HDMI phy power on""

This reverts commit 6ecb0918ced6a19c3fc992739a5b2afe13e43b34.

Boundary Devices has the proper fix.
mxc_hdmi: enable overflow interrupt after initialization complete

If enabled too early, a flood of interrupts can happen, and as
console_lock is held, you cannot see any messages being printed.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
imx6q: allow 1GHZ for TO1.0
fec_main: reduce interrupts
video: mxc: Hack to fix broken xbmc detection

*WARNING HACK*  This is a terrible workaround to hack the
drivername to work with existing XBMC binaries that check
modalias to match a string to allow it to run on IMX hardware.

This needs to be fixed in userspace.
arm: imx6qdl: Allow sdma to use iram

add a phandle to the iram node so sdma can use iram to save
power and reduce latency when playing back audio.