ARM: OMAP3: CPUidle: include <linux/export.h>

The CPUidle use THIS_MODULE, so needs <linux/export.h>
Signed-off-by: NKevin Hilman <khilman@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/cpuidle34xx.c

@@ -24,6 +24,7 @@
 
 #include <linux/sched.h>
 #include <linux/cpuidle.h>
+#include <linux/export.h>
 
 #include <plat/prcm.h>
 #include <plat/irqs.h>