ARM: OMAP: Fix compiler error at pm-debug

Fix compiler error at pm-debug

CC arch/arm/mach-omap2/pm-debug.o
In file included from arch/arm/mach-omap2/pm-debug.c:30:
arch/arm/mach-omap2/prm.h: In function `prm_rmw_reg_bits':
arch/arm/mach-omap2/prm.h:107: error: implicit declaration of function __raw_readl' arch/arm/mach-omap2/prm.h:110: error: implicit declaration of function __raw_writel' arch/arm/mach-omap2/pm-debug.c: In function `serial_wait_tx':
arch/arm/mach-omap2/pm-debug.c:59: error: implicit declaration of function `__raw_readb' make[1]: *** [arch/arm/mach-omap2/pm-debug.o] Error 1
make: *** [arch/arm/mach-omap2] Error 2

Signed-off-by Kyungmin Park <[email protected]>

---

arch/arm/mach-omap2/pm-debug.c +1 -0

index 361e52b..8a9f3c4 100644
@@ -23,6 +23,7 @@
 
 #include <linux/clk.h>
 #include <linux/err.h>
+#include <linux/io.h>
 
 #include <asm/arch/clock.h>
 #include <asm/arch/board.h>