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-imx/imx8/ahab.c b/arch/arm/mach-imx/imx8/ahab.c
index 6439447..22e76d5 100644
--- a/arch/arm/mach-imx/imx8/ahab.c
+++ b/arch/arm/mach-imx/imx8/ahab.c
@@ -6,6 +6,7 @@
 #include <common.h>
 #include <command.h>
 #include <errno.h>
+#include <log.h>
 #include <asm/io.h>
 #include <asm/arch/sci/sci.h>
 #include <asm/mach-imx/sys_proto.h>