ar71xx: ag71xx: init rings with GFP_KERNEL

ar71xx got lost during final rebase ..

Fixes: c8a6ce71e4 ("ar71xx/ath79: ag71xx: init rings with GFP_KERNEL")
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c

@@ -291,7 +291,7 @@ static int ag71xx_rings_init(struct ag71xx *ag)
 		return -ENOMEM;
 
 	tx->descs_cpu = dma_alloc_coherent(NULL, ring_size * AG71XX_DESC_SIZE,
-					   &tx->descs_dma, GFP_ATOMIC);
+					   &tx->descs_dma, GFP_KERNEL);
 	if (!tx->descs_cpu) {
 		kfree(tx->buf);
 		tx->buf = NULL;