usb: typec: stusb160x: fix power-opmode property with typec-power-opmode

Device tree property is named typec-power-opmode, not power-opmode.

Fixes: da0cb63 ("usb: typec: add support for STUSB160x Type-C controller family")
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201127131735.28280-1-amelie.delaunay@st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: ADESTM

drivers/usb/typec/stusb160x.c

@@ -562,7 +562,7 @@ static int stusb160x_get_fw_caps(struct stusb160x *chip,
 	 * Supported power operation mode can be configured through device tree
 	 * else it is read from chip registers in stusb160x_get_caps.
 	 */
-	ret = fwnode_property_read_string(fwnode, "power-opmode", &cap_str);
+	ret = fwnode_property_read_string(fwnode, "typec-power-opmode", &cap_str);
 	if (!ret) {
 		ret = typec_find_pwr_opmode(cap_str);
 		/* Power delivery not yet supported */