ODROIDC: cec: Add disable automatic TV ON function on HDMI-CEC

This change can disable switch TV on automatically using HDMI-CEC. This
function support it using AUTO_POWER_ON_MASK flag in boot parameter.

Change-Id: Icc25077eba02116daa8e326794d1a1e7e3927725
Signed-off-by: Brian Kim <brian.kim@hardkernel.com>