[PATCH v2] usb: typec: STUSB160X should select REGMAP_I2C

REGMAP_I2C is not a user visible kconfig symbol so driver configs
should not "depend on" it. They should depend on I2C and then
select REGMAP_I2C.

If this worked, it was only because some other driver had set/enabled
REGMAP_I2C.

Fixes: da0cb6310094 ("usb: typec: add support for STUSB160x Type-C controller family")
Signed-off-by: Randy Dunlap <redacted>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Amelie Delaunay <redacted>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Reviewed-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
v2: add Reviewed-by: tags
    rebase and resend
    add patch dependency (below)

This patch depends on this patch that is in usb-next:
  [PATCH] usb: musb: select GENERIC_PHY instead of depending on it
  lore.kernel.org/r/20211005235747.5588-1-rdunlap@infradead.org

 drivers/usb/typec/Kconfig |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux-next-20211013.orig/drivers/usb/typec/Kconfig
+++ linux-next-20211013/drivers/usb/typec/Kconfig

@@ -65,9 +65,9 @@ config TYPEC_HD3SS3220
 
 config TYPEC_STUSB160X
 	tristate "STMicroelectronics STUSB160x Type-C controller driver"
-	depends on I2C
-	depends on REGMAP_I2C
 	depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH
+	depends on I2C
+	select REGMAP_I2C
 	help
 	  Say Y or M here if your system has STMicroelectronics STUSB160x
 	  Type-C port controller.