[Blackfin] arch: set_bfin_dma_config shouldnt set SYNC or RESTART by default - add argument or option

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index 74d11c3..1b7e54de 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -224,7 +224,8 @@
 	set_dma_config(CH_EPPI0,
 		       set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO,
 					   INTR_DISABLE, DIMENSION_2D,
-					   DATA_SIZE_32));
+					   DATA_SIZE_32,
+					   DMA_NOSYNC_KEEP_DMA_BUF));
 	set_dma_x_count(CH_EPPI0, (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE);
 	set_dma_x_modify(CH_EPPI0, DMA_BUS_SIZE / 8);
 	set_dma_y_count(CH_EPPI0, LCD_Y_RES);