[PATCH] power: supply: rt5033_charger: recognize EXTCON setting

[Randy Dunlap]

CHARGER_RT5033 should honor the EXTCON setting to prevent these
build errors:

riscv64-linux-ld: drivers/power/supply/rt5033_charger.o: in function `.L33':
rt5033_charger.c:(.text.rt5033_charger_probe+0x578): undefined reference to `extcon_find_edev_by_node'
riscv64-linux-ld: drivers/power/supply/rt5033_charger.o: in function `.L0 ':
rt5033_charger.c:(.text.rt5033_charger_probe+0x64e): undefined reference to `devm_extcon_register_notifier_all'
riscv64-linux-ld: drivers/power/supply/rt5033_charger.o: in function `.L96':
rt5033_charger.c:(.text.rt5033_charger_extcon_work+0x32): undefined reference to `extcon_get_state'

Fixes: 12cc585f36b8 ("power: supply: rt5033_charger: Add cable detection and USB OTG supply")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Jakob Hauser <jahau@xxxxxxxxxxxxxx>
Cc: Sebastian Reichel <sre@xxxxxxxxxx>
Cc: Lee Jones <lee@xxxxxxxxxx>
Cc: linux-pm@xxxxxxxxxxxxxxx
---
 drivers/power/supply/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff -- a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -769,6 +769,7 @@ config BATTERY_RT5033
 config CHARGER_RT5033
 	tristate "RT5033 battery charger support"
 	depends on MFD_RT5033
+	depends on EXTCON || !EXTCON
 	help
 	  This adds support for battery charger in Richtek RT5033 PMIC.
 	  The device supports pre-charge mode, fast charge mode and