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/sound/tegra_ahub.c b/drivers/sound/tegra_ahub.c
index c71fce9..26d4572 100644
--- a/drivers/sound/tegra_ahub.c
+++ b/drivers/sound/tegra_ahub.c
@@ -10,6 +10,7 @@
 #include <common.h>
 #include <dm.h>
 #include <i2s.h>
+#include <log.h>
 #include <misc.h>
 #include <asm/io.h>
 #include <asm/arch-tegra/tegra_ahub.h>