cosmetic: replace MIN, MAX with min, max

The macro MIN, MAX is defined as the aliase of min, max,
respectively.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/drivers/usb/gadget/mpc8xx_udc.c b/drivers/usb/gadget/mpc8xx_udc.c
index 7f72972..b3e178a 100644
--- a/drivers/usb/gadget/mpc8xx_udc.c
+++ b/drivers/usb/gadget/mpc8xx_udc.c
@@ -897,7 +897,7 @@
 		pkt_len = urb->actual_length - epi->sent;
 
 		if (pkt_len > epi->tx_packetSize || pkt_len > EP_MAX_PKT) {
-			pkt_len = MIN (epi->tx_packetSize, EP_MAX_PKT);
+			pkt_len = min(epi->tx_packetSize, EP_MAX_PKT);
 		}
 
 		for (x = 0; x < pkt_len; x++) {
@@ -942,7 +942,7 @@
 
 		/* TX ACK : USB 2.0 8.7.2, Toggle PID, Advance TX */
 		epi->sent += pkt_len;
-		epi->last = MIN (urb->actual_length - epi->sent, epi->tx_packetSize);
+		epi->last = min(urb->actual_length - epi->sent, epi->tx_packetSize);
 		TOGGLE_TX_PID (ep_ref[ep].pid);
 
 		if (epi->sent >= epi->tx_urb->actual_length) {