Fix the compiler warning
u8500_href.c: In function 'hrefplus_mmc_power_init':
u8500_href.c:258: warning: implicit declaration of function 'prcmu_i2c_read'
u8500_href.c:265: warning: implicit declaration of function 'prcmu_i2c_write'
by adding the missing header file.
Signed-off-by: Dirk Behme <[email protected]>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>
#ifdef CONFIG_MMC
+#include "prcmu-fw.h"
#include "../../../drivers/mmc/arm_pl180_mmci.h"
#endif