build: backport patches for build with OpenSSL 1.1

patches/openwrt/0049-tools-cmake-fix-parallel-build-with-Make-4.2.patch

-From: Matthias Schiffer <mschiffer@universe-factory.net>
-Date: Wed, 15 Jun 2016 19:31:49 +0200
-Subject: tools/cmake: fix parallel build with Make 4.2+
-
-Avoid using the --parallel argument to the CMake bootstrap, as that doesn't
-allow us to remove the -j argument. Instead, pass the HOST_JOBS arguments
-in MAKEFLAGS.
-
-Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
-
-Backport of LEDE 96db10752483cb07f822686482b44be6c21fbb5f
-
-diff --git a/tools/cmake/Makefile b/tools/cmake/Makefile
-index 08e2b028150dd4f496e3a8ebccf27bd49b6937c2..6c211def540a6a41012349d5979b919481e1bcec 100644
---- a/tools/cmake/Makefile
-+++ b/tools/cmake/Makefile
-@@ -18,10 +18,11 @@ HOST_CONFIGURE_PARALLEL:=1
- 
- include $(INCLUDE_DIR)/host-build.mk
- 
-+HOST_CONFIGURE_CMD := MAKEFLAGS="$(HOST_JOBS)" $(BASH) ./configure
-+
- HOST_CONFIGURE_VARS :=
- 
- HOST_CONFIGURE_ARGS := \
--	--prefix=$(STAGING_DIR_HOST) \
--	$(if $(MAKE_JOBSERVER),--parallel="$(MAKE_JOBSERVER)")
-+	--prefix=$(STAGING_DIR_HOST)
- 
- $(eval $(call HostBuild))