Discard the empty video_set_lut function from platform video
drivers.
This commit "
69d275458893eaec35229b589092c2a6bde5440f" introduces
a weak function video_set_lut, so we do not need an strong function
in platform drivers, which does nothing.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
        return NULL;
 }
 
-void video_set_lut(unsigned int index, /* color number */
-                   unsigned char r,    /* red */
-                   unsigned char g,    /* green */
-                   unsigned char b     /* blue */
-                   )
-{
-
-       return;
-}
-
 void da8xx_video_init(const struct da8xx_panel *panel,
                      const struct lcd_ctrl_config *lcd_cfg, int bits_pixel)
 {
 
 
        return (void *) &panel;
 }
-
-void video_set_lut(unsigned int index, /* color number */
-                   unsigned char r,    /* red */
-                   unsigned char g,    /* green */
-                   unsigned char b     /* blue */
-                   )
-{
-       return;
-}
 
        return (void *)&panel;
 }
 
-void video_set_lut(unsigned int index, /* color number */
-                       unsigned char r,    /* red */
-                       unsigned char g,    /* green */
-                       unsigned char b     /* blue */
-                       )
-{
-       return;
-}
-
 int ipuv3_fb_init(struct fb_videomode const *mode,
                  uint8_t disp,
                  uint32_t pixfmt)