usb: typec: ucsi: yoga-c630: add DRM dependency

Selecting DRM_AUX_HPD_BRIDGE is not possible from a built-in driver when
CONFIG_DRM=m:

WARNING: unmet direct dependencies detected for DRM_AUX_HPD_BRIDGE
  Depends on [m]: HAS_IOMEM [=y] && DRM [=m] && DRM_BRIDGE [=y] && OF [=y]
  Selected by [y]:
  - UCSI_LENOVO_YOGA_C630 [=y] && USB_SUPPORT [=y] && TYPEC [=y] && TYPEC_UCSI [=y] && EC_LENOVO_YOGA_C630 [=y] && DRM_BRIDGE [=y] && OF [=y]
arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/aux-hpd-bridge.o: in function `drm_aux_hpd_bridge_notify':
aux-hpd-bridge.c:(.text.drm_aux_hpd_bridge_notify+0x28): undefined reference to `drm_bridge_hpd_notify'
arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/aux-hpd-bridge.o: in function `drm_aux_hpd_bridge_probe':
aux-hpd-bridge.c:(.text.drm_aux_hpd_bridge_probe+0x20): undefined reference to `__devm_drm_bridge_alloc'

Add a dependency to force UCSI_LENOVO_YOGA_C630 to be a loadable module as
well in this configuration.

Fixes: eb90d36 ("usb: typec: ucsi: yoga-c630: register DRM HPD bridge")
Signed-off-by: Arnd Bergmann <[email protected]>
Reviewed-by: Heikki Krogerus <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: arndb

drivers/usb/typec/ucsi/Kconfig

@@ -85,6 +85,7 @@ config CROS_EC_UCSI
 config UCSI_LENOVO_YOGA_C630
 	tristate "UCSI Interface Driver for Lenovo Yoga C630"
 	depends on EC_LENOVO_YOGA_C630
+	depends on DRM || !DRM
 	select DRM_AUX_HPD_BRIDGE if DRM_BRIDGE && OF
 	help
 	  This driver enables UCSI support on the Lenovo Yoga C630 laptop.