mdss: provide "early suspend" support for X governors

now that they've deprecated real early suspend, use mdss panel driver
to determine whether screen is on or off

Conflicts:

	drivers/video/msm/mdss/mdss_mdp_overlay.c
	drivers/video/msm/mdss/mdss_samsung_dsi_panel.c
cpufreq: interactiveX V4: limit max freq when screen off

screen_off_max configurable via sysfs - default 2.27ghz
mdss: ignore RESET events
cpufreq: interactive: set some defaults for the sync freq feature
ocmem: free handle before returning from failure
ocmem: return 0 when free fails for client graphics
msm: mdss: update from N900PVPUCNC5
tick-sched: revert changes from v3.4.95 which conflicts with CA
set intellidemand as a default governor