staging: sm750fb: Add braces around if statement.

Added braces around if statement. This patch fixes the following
checkpatch issue:

CHECK: braces {} should be used on all arms of this statement
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/ddk750_chip.c

@@ -16,9 +16,9 @@ logical_chip_type_t sm750_get_chip_type(void)
 
 void sm750_set_chip_type(unsigned short devId, u8 revId)
 {
-	if (devId == 0x718)
+	if (devId == 0x718) {
 		chip = SM718;
-	else if (devId == 0x750) {
+	} else if (devId == 0x750) {
 		chip = SM750;
 		/* SM750 and SM750LE are different in their revision ID only. */
 		if (revId == SM750LE_REVISION_ID) {