This reverts commit e3f18b0dd1db242791afbc3bd173026163ce0ccc.
Selecting DRM_KMS_HELPER for DRM_PANEL_BRIDGE leads to:
WARNING: unmet direct dependencies detected for DRM_KMS_HELPER
Depends on [m]: HAS_IOMEM [=y] && DRM [=m]
...
and builds with CONFIG_DRM=m will fail with the above kconfig
warns and then multiple linker error.
Reported-by: Imre Deak <imre.deak@xxxxxxxxx>
Reported-by: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Reported-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Fixes: e3f18b0dd1db ("drm/bridge: Select DRM_KMS_HELPER for DRM_PANEL_BRIDGE")
Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>