Instead of using a hacky "dss_fck" clock (which toggles the MODULEMODE
bit) as DSS L3 interface clock, set the .modulemode field in the
omap44xx_dss_hwmod. This works now that the DSS core hwmod is enabled
during DSS submodule resets.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit.taneja@gmail.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>