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/crypto/x509_cert_parser.c b/lib/crypto/x509_cert_parser.c
index 18f5407..5f984b9 100644
--- a/lib/crypto/x509_cert_parser.c
+++ b/lib/crypto/x509_cert_parser.c
@@ -6,6 +6,7 @@
  */
 
 #define pr_fmt(fmt) "X.509: "fmt
+#include <log.h>
 #include <dm/devres.h>
 #include <linux/kernel.h>
 #ifndef __UBOOT__