restored nixio tls providers

Signed-off-by: Sophana KOK <ml-github@worldspot.net>

libs/luci-lib-nixio/Makefile

@@ -11,6 +11,44 @@ LUCI_DEPENDS:=+PACKAGE_luci-lib-nixio_openssl:libopenssl +PACKAGE_luci-lib-nixio
 
 PKG_LICENSE:=Apache-2.0
 
+define Package/luci-lib-nixio/config
+	choice
+		prompt "TLS Provider"
+		default PACKAGE_luci-lib-nixio_notls
+
+		config PACKAGE_luci-lib-nixio_notls
+			bool "Disabled"
+
+		config PACKAGE_luci-lib-nixio_axtls
+			bool "Builtin (axTLS)"
+
+		config PACKAGE_luci-lib-nixio_cyassl
+			bool "CyaSSL"
+			select PACKAGE_libcyassl
+
+		config PACKAGE_luci-lib-nixio_openssl
+			bool "OpenSSL"
+			select PACKAGE_libopenssl
+	endchoice
+endef
+
+NIXIO_TLS:=
+
+ifneq ($(CONFIG_PACKAGE_luci-lib-nixio_axtls),)
+  NIXIO_TLS:=axtls
+endif
+
+ifneq ($(CONFIG_PACKAGE_luci-lib-nixio_openssl),)
+  NIXIO_TLS:=openssl
+endif
+
+ifneq ($(CONFIG_PACKAGE_luci-lib-nixio_cyassl),)
+  NIXIO_TLS:=cyassl
+  LUCI_CFLAGS+=-I$(STAGING_DIR)/usr/include/cyassl
+endif
+
+MAKE_VARS += NIXIO_TLS="$(NIXIO_TLS)"
+
 include ../../luci.mk
 
 # call BuildPackage - OpenWrt buildroot signature