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/cpu/armv8/hisilicon/pinmux.c b/arch/arm/cpu/armv8/hisilicon/pinmux.c
index c549ddb..6b6ad02 100644
--- a/arch/arm/cpu/armv8/hisilicon/pinmux.c
+++ b/arch/arm/cpu/armv8/hisilicon/pinmux.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <fdtdec.h>
+#include <log.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/arch/pinmux.h>