drm/amd/display: drop unused count variable in create_eml_sink()

drm/amd/display: drop unused count variable in create_eml_sink()

Since, we are only interested in having
drm_edid_override_connector_update(), update the value of
connector->edid_blob_ptr. We don't care about the return value of
drm_edid_override_connector_update() here. So, drop count.

Fixes: 550e5d23f147 ("drm/amd/display: assign edid_blob_ptr with edid from debugfs")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>