scripts: hand the TEMPLATECONF local over to setup-builddir

(From OE-Core rev: 0bf9d919bba5780d34cc6ac9dde2c74bb07b8342)

Signed-off-by: Marcus Müller <marcus.mueller@ettus.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

oe-init-build-env

@@ -45,7 +45,7 @@ fi
 OEROOT=`readlink -f "$OEROOT"`
 export OEROOT
 . $OEROOT/scripts/oe-buildenv-internal && \
-     $OEROOT/scripts/oe-setup-builddir && \
+     TEMPLATECONF="$TEMPLATECONF" $OEROOT/scripts/oe-setup-builddir && \
      [ -n "$BUILDDIR" ] && cd "$BUILDDIR"
 unset OEROOT
 unset BBPATH