(cherry picked from commit b8691842fb4e0614dbbe30af85c2997eb58429ad)
This changes the prefixes of the symbols generated from USEMODULE and USEPKG variables. The changes are as follow: KCONFIG_MODULE_ => KCONFIG_USEMODULE_ KCONFIG_PKG_ => KCONFIG_USEPKG_ MODULE_ => USEMODULE_ PKG_ => USEPKG_