dpaa_eth: Initialize CGR structure before init

The QBMan CGR options needs to be zeroed before calling the init
function
Signed-off-by: NRoy Pledge <roy.pledge@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/dpaa/dpaa_eth.c

@@ -733,6 +733,7 @@ static int dpaa_eth_cgr_init(struct dpaa_priv *priv)
 	priv->cgr_data.cgr.cb = dpaa_eth_cgscn;
 
 	/* Enable Congestion State Change Notifications and CS taildrop */
+	memset(&initcgr, 0, sizeof(initcgr));
 	initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CSCN_EN | QM_CGR_WE_CS_THRES);
 	initcgr.cgr.cscn_en = QM_CGR_EN;
 
@@ -2422,6 +2423,7 @@ static int dpaa_ingress_cgr_init(struct dpaa_priv *priv)
 	}
 
 	/* Enable CS TD, but disable Congestion State Change Notifications. */
+	memset(&initcgr, 0, sizeof(initcgr));
 	initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CS_THRES);
 	initcgr.cgr.cscn_en = QM_CGR_EN;
 	cs_th = DPAA_INGRESS_CS_THRESHOLD;