drm: drop i2c subdir from Makefile

The commit 325ba85 ("drm/i2c: move TDA998x driver under
drivers/gpu/drm/bridge") deleted the drivers/gpu/drm/i2c/ subdir, but
didn't update upper level Makefile. Drop corresponding line to fix build
issues.

Fixes: 325ba85 ("drm/i2c: move TDA998x driver under drivers/gpu/drm/bridge")
Reported-by: Stephen Rothwell <[email protected]>
Closes: https://lore.kernel.org/dri-devel/[email protected]
Reviewed-by: Matthew Brost <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Dmitry Baryshkov <[email protected]>

Author: lumag

drivers/gpu/drm/Makefile

@@ -197,7 +197,6 @@ obj-$(CONFIG_DRM_INGENIC) += ingenic/
 obj-$(CONFIG_DRM_LOGICVC) += logicvc/
 obj-$(CONFIG_DRM_MEDIATEK) += mediatek/
 obj-$(CONFIG_DRM_MESON)	+= meson/
-obj-y			+= i2c/
 obj-y			+= panel/
 obj-y			+= bridge/
 obj-$(CONFIG_DRM_FSL_DCU) += fsl-dcu/