mb/google/fizz: Enable 2nd NIC leds

This patch enables customized NIC leds as below:

	Green	Orange (Amber)
100M	off	blinking
1000M	on	blinking

BUG=b:69950854
TEST=Boot on fizz dut and observe the LEDs are behaving as expected.
Perform suspend/resume test and the LEDs are still working as expected.

Change-Id: Ic70587a0cd688e74b5e1ce532c5da954c80cf841
Signed-off-by: David Wu <david_wu@quantatw.com>
Reviewed-on: https://review.coreboot.org/22817
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Gaggery Tsai <gaggery.tsai@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/mainboard/google/fizz/devicetree.cb b/src/mainboard/google/fizz/devicetree.cb
index 25eda89..18031d6 100644
--- a/src/mainboard/google/fizz/devicetree.cb
+++ b/src/mainboard/google/fizz/devicetree.cb
@@ -309,7 +309,12 @@
 		device pci 1c.5 off end # PCI Express Port 6
 		device pci 1c.6 off end # PCI Express Port 7
 		device pci 1c.7 off end # PCI Express Port 8
-		device pci 1d.0 on end # PCI Express Port 9 for BtoB
+		device pci 1d.0 on # PCI Express Port 9 for 2nd LAN
+			chip drivers/net
+				register "customized_leds" = "0x0fa7"
+				device pci 00.0 on end
+			end
+		end # PCI Express Port 9 for BtoB
 		device pci 1d.1 off end # PCI Express Port 10
 		device pci 1d.2 off end # PCI Express Port 11
 		device pci 1d.3 off end # PCI Express Port 12