common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.c b/drivers/video/exynos/exynos_mipi_dsi_common.c
index adf3d96..48edb9c 100644
--- a/drivers/video/exynos/exynos_mipi_dsi_common.c
+++ b/drivers/video/exynos/exynos_mipi_dsi_common.c
@@ -8,6 +8,7 @@
 
 #include <common.h>
 #include <lcd.h>
+#include <log.h>
 #include <linux/err.h>
 #include <asm/arch/dsim.h>
 #include <asm/arch/mipi_dsim.h>