p11-kit: disable trust module

This allows prevents build error due to trust-paths not being
specified. The trust module was not being used in openwrt.

Resolves #5528

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

libs/p11-kit/Makefile

@@ -35,7 +35,8 @@ define Package/p11-kit/description
 endef
 
 CONFIGURE_ARGS+= \
-	--without-libffi
+	--without-libffi \
+	--disable-trust-module
 
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include/p11-kit-1/p11-kit/