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/tegra114/clock.c b/arch/arm/mach-tegra/tegra114/clock.c
index 8d662c2..1c06865 100644
--- a/arch/arm/mach-tegra/tegra114/clock.c
+++ b/arch/arm/mach-tegra/tegra114/clock.c
@@ -8,6 +8,7 @@
 
 #include <common.h>
 #include <init.h>
+#include <log.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/sysctr.h>