FIXME: csi: ugly workaround: reparent csi clock

The clock frequency is too low which break csi.
This reparents the clock to get an higher frequency.
There must be a better way to do that.

Signed-off-by: Alexandre Bailon <abailon@baylibre.com>

drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c

diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
index 4c0bec6..ad54cb9 100644
--- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
+++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c
@@ -557,6 +557,8 @@ static void mipicsi_clk_enable(struct mtk_mipicsi_dev *mipicsi, bool enable)
 	struct mtk_mipicsi_channel *ch = mipicsi->channel;
 	int i;
 
+	clk_set_parent(mipicsi->common_clk[1], mipicsi->common_clk[0]);
+
 	for (i = 0; i < mipicsi->camsv_num; i++)
 		enable ? clk_prepare_enable(ch[i].clk) :
 			 clk_disable_unprepare(ch[i].clk);