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/include/efi_loader.h b/include/efi_loader.h
index 20f86c3..4b48f99 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -10,6 +10,7 @@
 
 #include <common.h>
 #include <blk.h>
+#include <log.h>
 #include <part_efi.h>
 #include <efi_api.h>
 #include <image.h>