ARM: shmobile: Remove __init from rcar_gen2_read_mode_pins()

Remove __init from rcar_gen2_read_mode_pins() to allow
it to be used after boot. For instance the R-Car Gen2
MD21 check is needed even in the case of CPU Hotplug.
Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/setup-rcar-gen2.c

@@ -28,7 +28,7 @@
 
 #define MODEMR 0xe6160060
 
-u32 __init rcar_gen2_read_mode_pins(void)
+u32 rcar_gen2_read_mode_pins(void)
 {
 	void __iomem *modemr = ioremap_nocache(MODEMR, 4);
 	u32 mode;