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/mtd/nand/raw/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c
index ae699d1..3fef204 100644
--- a/drivers/mtd/nand/raw/tegra_nand.c
+++ b/drivers/mtd/nand/raw/tegra_nand.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <log.h>
 #include <asm/io.h>
 #include <memalign.h>
 #include <nand.h>