Do not needlessly depend on systemd

...because other packages within Buildroot itself typically sue this
pattern instead of blindly serializing package builds. Performance, yay!

Change-Id: Id9e2a7db466f0bfbada0ef0e8c2117e8e3a64061
diff --git a/package/czechlight-cfg-fs/czechlight-cfg-fs.mk b/package/czechlight-cfg-fs/czechlight-cfg-fs.mk
index 68efadb..f51b6ef 100644
--- a/package/czechlight-cfg-fs/czechlight-cfg-fs.mk
+++ b/package/czechlight-cfg-fs/czechlight-cfg-fs.mk
@@ -1,5 +1,5 @@
 CZECHLIGHT_CFG_FS_INSTALL_IMAGES = YES
-CZECHLIGHT_CFG_FS_DEPENDENCIES = host-e2fsprogs systemd
+CZECHLIGHT_CFG_FS_DEPENDENCIES = host-e2fsprogs
 
 CZECHLIGHT_CFG_FS_LOCATION = $(BINARIES_DIR)/cfg.ext4
 
@@ -13,10 +13,12 @@
 endif
 
 define CZECHLIGHT_CFG_FS_INSTALL_TARGET_CMDS
+	mkdir -p $(TARGET_DIR)/usr/lib/systemd/system/local-fs.target.wants/
 	$(INSTALL) -D -m 0644 \
 		$(BR2_EXTERNAL_CZECHLIGHT_PATH)/package/czechlight-cfg-fs/etc-overlay.service \
 		$(TARGET_DIR)/usr/lib/systemd/system/etc-overlay.service
 	ln -sf ../etc-overlay.service $(TARGET_DIR)/usr/lib/systemd/system/local-fs.target.wants/
+	mkdir -p $(TARGET_DIR)/usr/lib/systemd/system-generators/
 	$(INSTALL) -D -m 0755 \
 		$(BR2_EXTERNAL_CZECHLIGHT_PATH)/package/czechlight-cfg-fs/czechlight-cfg-mount-generator \
 		$(TARGET_DIR)/usr/lib/systemd/system-generators/czechlight-cfg-mount-generator
@@ -25,6 +27,7 @@
 		$(TARGET_DIR)/usr/lib/systemd/system/cfg-restore-etc.service
 	ln -sf ../cfg-restore-etc.service $(TARGET_DIR)/usr/lib/systemd/system/local-fs.target.wants/
 	$(ifeq ($(CZECHLIGHT_CFG_FS_PERSIST_SYSREPO),y))
+		mkdir -p $(TARGET_DIR)/usr/lib/systemd/system/multi-user.target.wants/
 		$(INSTALL) -D -m 0644 \
 			$(BR2_EXTERNAL_CZECHLIGHT_PATH)/package/czechlight-cfg-fs/sysrepo-persistent-cfg.service \
 			$(TARGET_DIR)/usr/lib/systemd/system/