Add to the driver a couple of ids for a machine we have.

Reference: /n/sources/patch/applied/ether825630x107f
Date: Tue Mar 12 10:55:53 CET 2013
Signed-off-by: nemo@lsub.org

--- /sys/src/9/pc/ether82563.c	Tue Mar 12 10:55:06 2013
+++ /sys/src/9/pc/ether82563.c	Tue Mar 12 10:54:59 2013
@@ -1631,6 +1631,9 @@
 		case 0x105e:
 			type = i82571;
 			break;
+		case 0x107d:		/* eb copper */
+		case 0x107e:		/* ei fiber */
+		case 0x107f:		/* ei */
 		case 0x10b9:		/* sic, 82572gi */
 			type = i82572;
 			break;