Rockchip: it66121: support sleep mode
Rockchip: it66121: when removed, hpd status is set to zero.
Rockchip: it66121: set default status to enabled.
Rockchip: it66121: modify delay1ms function for more precious [sic] delay.
Rockchip: hdmi: fix hpd detect error.
Merge branch 'master' into cyxtech_909_v1.1