drm/bridge/sii8620: enable interlace modes

Bug in DECON(CRTC) driver prevented interlace modes from proper work.
Since DECON is fixed interlace modes can be enabled in MHL.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-26-git-send-email-a.hajda@samsung.com

drivers/gpu/drm/bridge/sil-sii8620.c

@@ -2115,9 +2115,6 @@ static bool sii8620_mode_fixup(struct drm_bridge *bridge,
 	int max_lclk;
 	bool ret = true;
 
-	if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return false;
-
 	mutex_lock(&ctx->lock);
 
 	max_lclk = sii8620_is_mhl3(ctx) ? MHL3_MAX_LCLK : MHL1_MAX_LCLK;