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/arch/arm/mach-tegra/tegra20/crypto.c b/arch/arm/mach-tegra/tegra20/crypto.c
index b91191e..1efaa5c 100644
--- a/arch/arm/mach-tegra/tegra20/crypto.c
+++ b/arch/arm/mach-tegra/tegra20/crypto.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <log.h>
 #include <linux/errno.h>
 #include "crypto.h"
 #include "uboot_aes.h"