video: Drop video_fb header

arch/arm/mach-nexell/include/mach/display_dev.h

board/aristainetos/aristainetos.c

board/freescale/t104xrdb/diu.c

board/socrates/socrates.c

drivers/pci/pci_rom.c

drivers/video/da8xx-fb.c

drivers/video/fsl_dcu_fb.c

drivers/video/fsl_diu_fb.c

drivers/video/imx/mxc_ipuv3_fb.c

drivers/video/mxsfb.c

drivers/video/nexell_display.c

drivers/video/omap3_dss.c

drivers/video/sunxi/sunxi_display.c

include/video_fb.h