libtool: added LIBTOOLIZE variable to point on $(HOST_DIR)/usr/bin/libtoolize

Signed-off-by: Lionel Landwerlin <llandwerlin@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libtool/libtool.mk

@@ -25,3 +25,4 @@ $(eval $(call AUTOTARGETS,package,libtool,host))
 
 # variables used by other packages
 LIBTOOL:=$(HOST_DIR)/usr/bin/libtool
+LIBTOOLIZE:=$(HOST_DIR)/usr/bin/libtoolize