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/x86/cpu/tangier/pinmux.c b/arch/x86/cpu/tangier/pinmux.c
index fdd6530..5b0e106 100644
--- a/arch/x86/cpu/tangier/pinmux.c
+++ b/arch/x86/cpu/tangier/pinmux.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <log.h>
 #include <dm/pinctrl.h>
 #include <dm/read.h>
 #include <regmap.h>