meta-gsj: Add USB-NIC systemd configuration for GSJ board.

Tested: Build Quanta GSJ board image and load on the EVB.
Ensure that BMC boots to console, and the USB network interface is working.
Fix typo.
Change-Id: I633f6914e3ba0d8c86b6abb32685d554fd9510eb
Signed-off-by: FranHsu <Fran.Hsu@quantatw.com>
diff --git a/meta-gsj/recipes-phosphor/usb-network/files/usb_network.service b/meta-gsj/recipes-phosphor/usb-network/files/usb_network.service
new file mode 100644
index 0000000..913f5fb
--- /dev/null
+++ b/meta-gsj/recipes-phosphor/usb-network/files/usb_network.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=enable usb network
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash -c '/usr/sbin/usb_network.sh'
+
+[Install]
+WantedBy=multi-user.target