da850: fix the channel number for EMAC teardown init

TX and RX channel numbers programmed as '1' during EMAC
teardown initialization is wrong. This patch fixes the
same by setting channel number to '0' which is used by U-boot.

Signed-off-by: Sugumar Natarajan <sugumar@ti.com>
Signed-off-by: Nagabhushana Netagunte <nagabhushana.netagunte@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

drivers/net/davinci_emac.c

@@ -457,7 +457,7 @@ static void davinci_eth_ch_teardown(int ch)
 
 	if (ch == EMAC_CH_TX) {
 		/* Init TX channel teardown */
-		writel(1, &adap_emac->TXTEARDOWN);
+		writel(0, &adap_emac->TXTEARDOWN);
 		do {
 			/*
 			 * Wait here for Tx teardown completion interrupt to
@@ -476,7 +476,7 @@ static void davinci_eth_ch_teardown(int ch)
 		writel(0, &adap_emac->TX0HDP);
 	} else {
 		/* Init RX channel teardown */
-		writel(1, &adap_emac->RXTEARDOWN);
+		writel(0, &adap_emac->RXTEARDOWN);
 		do {
 			/*
 			 * Wait here for Rx teardown completion interrupt to