82576 uses phyno 1, not 2.  correct this.

Reference: /n/atom/patch/applied2013/i82576phyno
Date: Thu Aug 15 22:15:09 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/9/pc/ether82563.c	Thu Aug 15 22:14:31 2013
+++ /sys/src/9/pc/ether82563.c	Thu Aug 15 22:14:31 2013
@@ -477,7 +477,7 @@
 	i82573,		8192,	1,	Fert,		"i82573",		/* terrible perf above 8k */
 	i82574,		9018,	1,	0,		"i82574",
 	i82575,		9728,	1,	F75|Fflashea,	"i82575",
-	i82576,		9728,	2,	F75,		"i82576",
+	i82576,		9728,	1,	F75,		"i82576",
 	i82577,		4096,	2,	Fload|Fert,	"i82577",
 	i82577m,		1514,	2,	Fload|Fert,	"i82577",
 	i82578,		4096,	1,	Fload|Fert,	"i82578",
--- /sys/src/9/pcpae/ether82563.c	Thu Aug 15 22:14:31 2013
+++ /sys/src/9/pcpae/ether82563.c	Thu Aug 15 22:14:31 2013
@@ -477,7 +477,7 @@
 	i82573,		8192,	1,	Fert,		"i82573",		/* terrible perf above 8k */
 	i82574,		9018,	1,	0,		"i82574",
 	i82575,		9728,	1,	F75|Fflashea,	"i82575",
-	i82576,		9728,	2,	F75,		"i82576",
+	i82576,		9728,	1,	F75,		"i82576",
 	i82577,		4096,	2,	Fload|Fert,	"i82577",
 	i82577m,		1514,	2,	Fload|Fert,	"i82577",
 	i82578,		4096,	1,	Fload|Fert,	"i82578",
--- /sys/src/nix/k10/ether82563.c	Thu Aug 15 22:14:31 2013
+++ /sys/src/nix/k10/ether82563.c	Thu Aug 15 22:14:31 2013
@@ -477,7 +477,7 @@
 	i82573,		8192,	1,	Fert,		"i82573",		/* terrible perf above 8k */
 	i82574,		9018,	1,	0,		"i82574",
 	i82575,		9728,	1,	F75|Fflashea,	"i82575",
-	i82576,		9728,	2,	F75,		"i82576",
+	i82576,		9728,	1,	F75,		"i82576",
 	i82577,		4096,	2,	Fload|Fert,	"i82577",
 	i82577m,		1514,	2,	Fload|Fert,	"i82577",
 	i82578,		4096,	1,	Fload|Fert,	"i82578",