Other low power states should be handled perfectly fine by USB suspend,
since this is now fixed in chibios.
Signed-off-by: Daniel Schaefer <dhs@frame.work>
With this change the 3.3V rail gets down to 22mA
The backlight and power led will auto turn off when the keyboard
SLEEP# goes low, and will resume when the sleep pin goes high.
For some reason WFI does not sleep as long as I would expect.
Something is triggering interrupts constantly
that we need to figure out to save power.
Signed-off-by: Kieran Levin <ktl@frame.work>
