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/lib/fsp2/fsp_init.c b/arch/x86/lib/fsp2/fsp_init.c
index 008e8ae..8c57790 100644
--- a/arch/x86/lib/fsp2/fsp_init.c
+++ b/arch/x86/lib/fsp2/fsp_init.c
@@ -10,6 +10,7 @@
 #include <cbfs.h>
 #include <dm.h>
 #include <init.h>
+#include <log.h>
 #include <spi.h>
 #include <spl.h>
 #include <spi_flash.h>