mfd: cros_ec: Add peripheral device charger

This patch adds a cell entry for PCHG (Peripheral CHarGer). PCHG is a
framework managing power supplies for peripheral devices.
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/cros_ec_dev.c

@@ -114,6 +114,7 @@ static const struct mfd_cell cros_ec_platform_cells[] = {
 	{ .name = "cros-ec-chardev", },
 	{ .name = "cros-ec-debugfs", },
 	{ .name = "cros-ec-sysfs", },
+	{ .name = "cros-ec-pchg", },
 };
 
 static const struct mfd_cell cros_ec_lightbar_cells[] = {