misc: ls2_sfp: Fix regulator name

Unlike in Linux, -supply is not automatically appended to regulator
requests. Add it.

Fixes: 2645bc0e12 ("arm: layerscape: Add sfp driver")
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/misc/ls2_sfp.c b/drivers/misc/ls2_sfp.c
index dd10496..2a81bc7 100644
--- a/drivers/misc/ls2_sfp.c
+++ b/drivers/misc/ls2_sfp.c
@@ -229,7 +229,7 @@
 		return -EINVAL;
 	}
 
-	ret = device_get_supply_regulator(dev, "ta-sfp-prog", &priv->supply);
+	ret = device_get_supply_regulator(dev, "ta-sfp-prog-supply", &priv->supply);
 	if (ret && ret != -ENODEV && ret != -ENOSYS) {
 		dev_dbg(dev, "problem getting supply (err %d)\n", ret);
 		return ret;