libhelper: package is open source so clone using http

libhelper/Makefile

@@ -17,7 +17,7 @@ PKG_VERSION:=1.4.0.4
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_VERSION:=2ea2bb0af8179de13592d5d5212446097e79e159
 PKG_SOURCE_INNERDIR:=helper/libhelper
-PKG_SOURCE_URL:=git@dev.iopsys.eu:intel/$(PKG_NAME).git
+PKG_SOURCE_URL:=https://dev.iopsys.eu/intel/$(PKG_NAME).git
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
 PKG_MAINTAINER:=Intel