r6040: fix bad usage of udelay

This patch fixes the bad usage of udelay(5000), which in turns is a
mdelay(5). It causes compilation for ARM where udelay maximum value
is checked.
Reported-by: NMartin Michlmayr <tbm@cyrius.com>
Signed-off-by: NFlorian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/net/r6040.c

@@ -370,7 +370,7 @@ static void r6040_init_mac_regs(struct net_device *dev)
 	/* Reset internal state machine */
 	iowrite16(2, ioaddr + MAC_SM);
 	iowrite16(0, ioaddr + MAC_SM);
-	udelay(5000);
+	mdelay(5);
 
 	/* MAC Bus Control Register */
 	iowrite16(MBCR_DEFAULT, ioaddr + MBCR);
@@ -806,7 +806,7 @@ static void r6040_mac_address(struct net_device *dev)
 	iowrite16(0x01, ioaddr + MCR1); /* Reset MAC */
 	iowrite16(2, ioaddr + MAC_SM); /* Reset internal state machine */
 	iowrite16(0, ioaddr + MAC_SM);
-	udelay(5000);
+	mdelay(5);
 
 	/* Restore MAC Address */
 	adrp = (u16 *) dev->dev_addr;