kbuild: add targets to PHONY

This patch adds some targets to PHONY so they are built even if a file
with the same name exists.
Signed-off-by: Peter Foley <pefoley2@verizon.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>

Makefile

@@ -1392,6 +1392,8 @@ tags TAGS cscope gtags: FORCE
 # Scripts to check various things for consistency
 # ---------------------------------------------------------------------------
 
+PHONY += includecheck versioncheck coccicheck namespacecheck export_report
+
 includecheck:
 	find * $(RCS_FIND_IGNORE) \
 		-name '*.[hcS]' -type f -print | sort \