video: exynos: Ensure definitions match prototypes

Ensure that the definitions of functions match the prototypes used by
other modules by including the header with the prototypes in the files
with the definitions.
Signed-off-by: NMark Brown <broonie@linaro.org>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/exynos/exynos_mipi_dsi_lowlevel.c

@@ -27,6 +27,7 @@
 #include <video/exynos_mipi_dsim.h>
 
 #include "exynos_mipi_dsi_regs.h"
+#include "exynos_mipi_dsi_lowlevel.h"
 
 void exynos_mipi_dsi_func_reset(struct mipi_dsim_device *dsim)
 {