mips: ath79: ap121: Enable ethernet

This patch enable network function for ap121 board.

Signed-off-by: Wills Wang <wills.wang@live.com>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/board/qca/ap121/ap121.c b/board/qca/ap121/ap121.c
index d6c60fe..e245faa 100644
--- a/board/qca/ap121/ap121.c
+++ b/board/qca/ap121/ap121.c
@@ -10,6 +10,7 @@
 #include <asm/types.h>
 #include <mach/ar71xx_regs.h>
 #include <mach/ddr.h>
+#include <mach/ath79.h>
 #include <debug_uart.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -46,5 +47,6 @@
 	debug_uart_init();
 #endif
 	ddr_init();
+	ath79_eth_reset();
 	return 0;
 }