video: fbdev: annotate fb_fix_screeninfo with const and __initconst

Make these const as they are only used during a copy operation.
Some structures are used as a copy operation inside __init functions, so
make them const and replace __initdata with __initconst to avoid section
conflict error.

Signed-off-by: Bhumika Goyal <[e-mail]>
Cc: Julia Lawall <[e-mail]>
Cc: Nicolas Ferre <[e-mail]>
Cc: Benjamin Herrenschmidt <[e-mail]>
Cc: Paul Mackerras <[e-mail]>
Cc: Michael Ellerman <[e-mail]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[e-mail]>

drivers/video/fbdev/68328fb.c

···
       	.vmode =	FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo mc68x328fb_fix __initdata = {
+static const struct fb_fix_screeninfo mc68x328fb_fix __initconst = {
 	.id =		"68328fb",
 	.type =		FB_TYPE_PACKED_PIXELS,
 	.xpanstep =	1,

drivers/video/fbdev/atmel_lcdfb.c

···
 	}
 }
 
-static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = {
+static const struct fb_fix_screeninfo atmel_lcdfb_fix __initconst = {
 	.type		= FB_TYPE_PACKED_PIXELS,
 	.visual		= FB_VISUAL_TRUECOLOR,
 	.xpanstep	= 0,

drivers/video/fbdev/dnfb.c

···
 	.vmode		= FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo dnfb_fix = {
+static const struct fb_fix_screeninfo dnfb_fix = {
 	.id		= "Apollo Mono",
 	.smem_start	= (FRAME_BUFFER_START + IO_BASE),
 	.smem_len	= FRAME_BUFFER_LEN,

drivers/video/fbdev/grvga.c

···
     }
  };
 
-static struct fb_fix_screeninfo grvga_fix = {
+static const struct fb_fix_screeninfo grvga_fix = {
 	.id =		"AG SVGACTRL",
 	.type =		FB_TYPE_PACKED_PIXELS,
 	.visual =       FB_VISUAL_PSEUDOCOLOR,

drivers/video/fbdev/pmag-aa-fb.c

···
 	.vmode		= FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo aafb_fix = {
+static const struct fb_fix_screeninfo aafb_fix = {
 	.id		= "PMAG-AA",
 	.smem_len	= (2048 * 1024),
 	.type		= FB_TYPE_PACKED_PIXELS,

drivers/video/fbdev/pmag-ba-fb.c

···
 	.vmode		= FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo pmagbafb_fix = {
+static const struct fb_fix_screeninfo pmagbafb_fix = {
 	.id		= "PMAG-BA",
 	.smem_len	= (1024 * 1024),
 	.type		= FB_TYPE_PACKED_PIXELS,

drivers/video/fbdev/pmagb-b-fb.c

···
 	.vmode		= FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo pmagbbfb_fix = {
+static const struct fb_fix_screeninfo pmagbbfb_fix = {
 	.id		= "PMAGB-BA",
 	.smem_len	= (2048 * 1024),
 	.type		= FB_TYPE_PACKED_PIXELS,

drivers/video/fbdev/ps3fb.c

···
 	.fb_compat_ioctl = ps3fb_ioctl
 };
 
-static struct fb_fix_screeninfo ps3fb_fix = {
+static const struct fb_fix_screeninfo ps3fb_fix = {
 	.id =		DEVICE_NAME,
 	.type =		FB_TYPE_PACKED_PIXELS,
 	.visual =	FB_VISUAL_TRUECOLOR,

drivers/video/fbdev/skeletonfb.c

···
  * if we don't use modedb. If we do use modedb see xxxfb_init how to use it
  * to get a fb_var_screeninfo. Otherwise define a default var as well. 
  */
-static struct fb_fix_screeninfo xxxfb_fix = {
+static const struct fb_fix_screeninfo xxxfb_fix = {
 	.id =		"FB's name", 
 	.type =		FB_TYPE_PACKED_PIXELS,
 	.visual =	FB_VISUAL_PSEUDOCOLOR,