ACPI: battery: constify powersupply properties

The arrays are never modified, make them const.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/battery.c

@@ -308,7 +308,7 @@ static int acpi_battery_get_property(struct power_supply *psy,
 	return ret;
 }
 
-static enum power_supply_property charge_battery_props[] = {
+static const enum power_supply_property charge_battery_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_TECHNOLOGY,
@@ -326,7 +326,7 @@ static enum power_supply_property charge_battery_props[] = {
 	POWER_SUPPLY_PROP_SERIAL_NUMBER,
 };
 
-static enum power_supply_property charge_battery_full_cap_broken_props[] = {
+static const enum power_supply_property charge_battery_full_cap_broken_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_TECHNOLOGY,
@@ -340,7 +340,7 @@ static enum power_supply_property charge_battery_full_cap_broken_props[] = {
 	POWER_SUPPLY_PROP_SERIAL_NUMBER,
 };
 
-static enum power_supply_property energy_battery_props[] = {
+static const enum power_supply_property energy_battery_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_TECHNOLOGY,
@@ -358,7 +358,7 @@ static enum power_supply_property energy_battery_props[] = {
 	POWER_SUPPLY_PROP_SERIAL_NUMBER,
 };
 
-static enum power_supply_property energy_battery_full_cap_broken_props[] = {
+static const enum power_supply_property energy_battery_full_cap_broken_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_TECHNOLOGY,