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/lib/rsa/rsa-verify.c b/lib/rsa/rsa-verify.c
index f7ae174..1d55b99 100644
--- a/lib/rsa/rsa-verify.c
+++ b/lib/rsa/rsa-verify.c
@@ -6,6 +6,7 @@
 #ifndef USE_HOSTCC
 #include <common.h>
 #include <fdtdec.h>
+#include <log.h>
 #include <malloc.h>
 #include <asm/types.h>
 #include <asm/byteorder.h>