Revert "msm: mdss: Move splash thread functionality"

This reverts commit e8e825b837e118b11ebd0133d9fdc2898f2e5d80.

Conflicts:
	drivers/video/msm/mdss/mdss_fb.c
	drivers/video/msm/mdss/mdss_mdp.h
	drivers/video/msm/mdss/mdss_mdp_intf_video.c
	drivers/video/msm/mdss/mdss_mdp_overlay.c
Revert "msm: mdss: Display splash screen during boot up"

This reverts commit 2f5b7a1d1a0f48dfd4c8dd4f4dcdd1fa3cc60d30.

Conflicts:
	drivers/video/msm/mdss/mdss_fb.c
	drivers/video/msm/mdss/mdss_fb.h
	drivers/video/msm/mdss/mdss_mdp_overlay.c