Makefile: Add locale genration to TARGET_TARGETS

The locales need to be generated by the target-generation make target.

Signed-off-by: Jeremy Kerr <[email protected]>

Author: jk-ozlabs

Makefile

@@ -396,7 +396,7 @@ include $(BR2_EXTERNAL)/external.mk
 
 ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
 ifneq ($(GENERATE_LOCALE),)
-TARGETS += target-generatelocales
+TARGET_TARGETS += target-generatelocales
 endif
 endif