vim: Add host build to install xxd

Packages such as ttyd and device-observatory need this.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/vim/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=vim
 PKG_VERSION:=8.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 VIMVER:=81
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
@@ -21,7 +21,11 @@ PKG_CPE_ID:=cpe:/a:vim:vim
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)$(VIMVER)
 PKG_BUILD_PARALLEL:=1
 
+HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)$(VIMVER)
+HOST_BUILD_PARALLEL:=1
+
 include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/host-build.mk
 
 define Package/vim/Default
   SECTION:=utils
@@ -242,3 +246,4 @@ $(eval $(call BuildPackage,vim-fuller))
 $(eval $(call BuildPackage,vim-runtime))
 $(eval $(call BuildPackage,vim-help))
 $(eval $(call BuildPackage,xxd))
+$(eval $(call HostBuild))