luainterpreter: add host variant

host-luainterpreter is host-lua or host-luajit

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/luainterpreter/luainterpreter.mk

@@ -7,3 +7,4 @@
 LUAINTERPRETER_ABIVER = $(call qstrip,$(BR2_PACKAGE_LUAINTERPRETER_ABI_VERSION))
 
 $(eval $(virtual-package))
+$(eval $(host-virtual-package))