v3/ec: Updates for Proto 1
* Update SYSMON signal mappings to include the new current monitors
and VREF for those monitors, remove unused signal.
* Update devicetree for new GPIO pins for controlling power on the
IT68051, and for muxing the HPD signals to choose between the STM32,
the FPGA, and the IT68051.
* Add documentation of where the HPD signal can be generated, and
how it is routed to the HDMI and DisplayPort connectors.
TEST=Build and load. Run the ad-hoc tests in README.md
Reviewed-by: Alexandru M Stan <firstname.lastname@example.org>
Commit-Queue: Paul Fagerburg <email@example.com>
Tested-by: Paul Fagerburg <firstname.lastname@example.org>
9 files changed