ARM: omap/fb: move omapfb_reserve_sram to .init.text

This function is only called by omap_detect_sram which lives in .init.text,
too.
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@nokia.com>

arch/arm/plat-omap/fb.c

@@ -262,7 +262,7 @@ void __init omapfb_reserve_sdram_memblock(void)
  * this point, since the driver built as a module would have problem with
  * freeing / reallocating the regions.
  */
-unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
+unsigned long __init omapfb_reserve_sram(unsigned long sram_pstart,
 				  unsigned long sram_vstart,
 				  unsigned long sram_size,
 				  unsigned long pstart_avail,
@@ -392,7 +392,7 @@ void omapfb_reserve_sdram_memblock(void)
 {
 }
 
-unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
+unsigned long __init omapfb_reserve_sram(unsigned long sram_pstart,
 				  unsigned long sram_vstart,
 				  unsigned long sram_size,
 				  unsigned long start_avail,
@@ -411,7 +411,7 @@ void omapfb_reserve_sdram_memblock(void)
 {
 }
 
-unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
+unsigned long __init omapfb_reserve_sram(unsigned long sram_pstart,
 				  unsigned long sram_vstart,
 				  unsigned long sram_size,
 				  unsigned long start_avail,