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/cmd/ti/ddr3.c b/cmd/ti/ddr3.c
index 756aa9e..623b63b 100644
--- a/cmd/ti/ddr3.c
+++ b/cmd/ti/ddr3.c
@@ -8,6 +8,7 @@
 #include <cpu_func.h>
 #include <env.h>
 #include <init.h>
+#include <log.h>
 #include <asm/arch/hardware.h>
 #include <asm/cache.h>
 #include <asm/emif.h>