[PATCH] usb: typec: qcom-pmic-typec: fix builtin build errors

[Randy Dunlap]

Fix build errors when CONFIG_TYPEC_QCOM_PMIC=y and
CONFIG_USB_ROLE_SWITCH=m by limiting the former to =m when
USB_ROLE_SWITCH also =m.

powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_remove':
qcom-pmic-typec.c:(.text+0x28): undefined reference to `.usb_role_switch_set_role'
powerpc64-linux-ld: qcom-pmic-typec.c:(.text+0x64): undefined reference to `.usb_role_switch_put'
powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_check_connection':
qcom-pmic-typec.c:(.text+0x120): undefined reference to `.usb_role_switch_set_role'
powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_probe':
qcom-pmic-typec.c:(.text+0x360): undefined reference to `.fwnode_usb_role_switch_get'
powerpc64-linux-ld: qcom-pmic-typec.c:(.text+0x4e4): undefined reference to `.usb_role_switch_put'

Fixes: 6c8cf3695176 ("usb: typec: Add QCOM PMIC typec detection driver")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
Cc: Wesley Cheng <wcheng@xxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/usb/typec/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20201113.orig/drivers/usb/typec/Kconfig
+++ linux-next-20201113/drivers/usb/typec/Kconfig
@@ -88,6 +88,7 @@ config TYPEC_STUSB160X
 config TYPEC_QCOM_PMIC
 	tristate "Qualcomm PMIC USB Type-C driver"
 	depends on ARCH_QCOM || COMPILE_TEST
+	depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH
 	help
 	  Driver for supporting role switch over the Qualcomm PMIC.  This will
 	  handle the USB Type-C role and orientation detection reported by the