cmd: Add ncsi command

Adds an "ncsi" command to manually start NC-SI configuration.

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
diff --git a/net/net.c b/net/net.c
index 6987a38..b27b021 100644
--- a/net/net.c
+++ b/net/net.c
@@ -434,6 +434,7 @@
 	} else {
 		eth_init_state_only();
 	}
+
 restart:
 #ifdef CONFIG_USB_KEYBOARD
 	net_busy_flag = 0;