Add htc_mdp_sem_down/up
Update msm_fb_display_on
Fix display
Merge branch 'new-fb' of https://github.com/sachinthomaspj/android_kernel_htc_pico into new-fb
HACK: Disable set_brightness fuction to get it boot completely

 Frezze (novatek) / going black (samsung), on brightness change on bootanimation. To workaround it and get it to boot, I had to disable set_brightness function, which causes not beign able to turn it back display on once when off