drm/omap: fix unused variable warning in dsi & hdmi

Signed-off-by: Tomi Valkeinen <[e-mail]>
Signed-off-by: Dave Airlie <[e-mail]>

drivers/gpu/drm/omapdrm/dss/dsi.c

···
 {
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	struct regulator *vdds_dsi;
-	int r;
 
 	if (dsi->vdds_dsi_reg != NULL)
 		return 0;

drivers/gpu/drm/omapdrm/dss/hdmi5.c

···
 
 static int hdmi_init_regulator(void)
 {
-	int r;
 	struct regulator *reg;
 
 	if (hdmi.vdda_reg != NULL)