SECURE_BOOT: Correct reading of ITS bit

The ITS bit was being read incorrectly beacause of operator
precedence. The same ahs been corrected.
Signed-off-by: NLawish Deshmukh <lawish.deshmukh@freescale.com>
Signed-off-by: NAneesh Bansal <aneesh.bansal@freescale.com>
Reviewed-by: NYork Sun <yorksun@freescale.com>

board/freescale/common/fsl_validate.c

@@ -246,7 +246,7 @@ static void fsl_secboot_image_verification_failure(void)
 	struct ccsr_sfp_regs *sfp_regs = (void *)(CONFIG_SYS_SFP_ADDR);
 	u32 sts = sec_mon_in32(&sec_mon_regs->hp_stat);
 
-	u32 its = sfp_in32(&sfp_regs->ospr) & ITS_MASK >> ITS_BIT;
+	u32 its = (sfp_in32(&sfp_regs->ospr) & ITS_MASK) >> ITS_BIT;
 
 	/*
 	 * Read the SEC_MON status register