sis900: correct a few typos

Correct a few typos in comments and debug text.
Signed-off-by: Sergej Benilov <sergej.benilov@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/sis/sis900.c

@@ -262,7 +262,7 @@ static int sis900_get_mac_addr(struct pci_dev *pci_dev,
 	/* check to see if we have sane EEPROM */
 	signature = (u16) read_eeprom(ioaddr, EEPROMSignature);
 	if (signature == 0xffff || signature == 0x0000) {
-		printk (KERN_WARNING "%s: Error EERPOM read %x\n",
+		printk (KERN_WARNING "%s: Error EEPROM read %x\n",
 			pci_name(pci_dev), signature);
 		return 0;
 	}
@@ -359,9 +359,9 @@ static int sis635_get_mac_addr(struct pci_dev *pci_dev,
  *
  *	SiS962 or SiS963 model, use EEPROM to store MAC address. And EEPROM
  *	is shared by
- *	LAN and 1394. When access EEPROM, send EEREQ signal to hardware first
+ *	LAN and 1394. When accessing EEPROM, send EEREQ signal to hardware first
  *	and wait for EEGNT. If EEGNT is ON, EEPROM is permitted to be accessed
- *	by LAN, otherwise is not. After MAC address is read from EEPROM, send
+ *	by LAN, otherwise it is not. After MAC address is read from EEPROM, send
  *	EEDONE signal to refuse EEPROM access by LAN.
  *	The EEPROM map of SiS962 or SiS963 is different to SiS900.
  *	The signature field in SiS962 or SiS963 spec is meaningless.