style(plat/arm/corstone1000): resolve checkpatch warnings

Change-Id: Ic8cb9b0834806675c792018e809d7ba77fbe856f
Signed-off-by: David Vincze <david.vincze@arm.com>
diff --git a/plat/arm/board/corstone1000/common/corstone1000_pm.c b/plat/arm/board/corstone1000/common/corstone1000_pm.c
index 98dea79..4b0a791 100644
--- a/plat/arm/board/corstone1000/common/corstone1000_pm.c
+++ b/plat/arm/board/corstone1000/common/corstone1000_pm.c
@@ -21,8 +21,8 @@
 	*(watchdog_val_reg) = SECURE_WATCHDOG_COUNTDOWN_VAL;
 	*watchdog_ctrl_reg = SECURE_WATCHDOG_MASK_ENABLE;
 	while (1) {
-		 wfi();
-	 }
+		wfi();
+	}
 }
 
 plat_psci_ops_t plat_arm_psci_pm_ops = {