exynos: video: change mipi dsi write function parameters correctly

This patch have changed mipi dsi write functions' parameters correctly
so that type cast operations were removed. And mipi dsi payload is
composed with array of panel commands to improve readability.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
diff --git a/drivers/video/exynos_mipi_dsi_common.h b/drivers/video/exynos_mipi_dsi_common.h
index 318c7ec..ef6510a 100644
--- a/drivers/video/exynos_mipi_dsi_common.h
+++ b/drivers/video/exynos_mipi_dsi_common.h
@@ -13,7 +13,7 @@
 #define _EXYNOS_MIPI_DSI_COMMON_H
 
 int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
-	unsigned int data0, unsigned int data1);
+	const unsigned char *data0, unsigned int data1);
 int exynos_mipi_dsi_pll_on(struct mipi_dsim_device *dsim, unsigned int enable);
 unsigned long exynos_mipi_dsi_change_pll(struct mipi_dsim_device *dsim,
 	unsigned int pre_divider, unsigned int main_divider,