runtime(doc): update helptags

Signed-off-by: Christian Brabandt <cb@256bit.org>

Author: chrisbra

runtime/doc/tags

@@ -7361,6 +7361,7 @@ ft-javascript-omni	insert.txt	/*ft-javascript-omni*
 ft-jq-syntax	syntax.txt	/*ft-jq-syntax*
 ft-json-plugin	filetype.txt	/*ft-json-plugin*
 ft-json-syntax	syntax.txt	/*ft-json-syntax*
+ft-kconfig-syntax	syntax.txt	/*ft-kconfig-syntax*
 ft-ksh-syntax	syntax.txt	/*ft-ksh-syntax*
 ft-lace-syntax	syntax.txt	/*ft-lace-syntax*
 ft-lex-syntax	syntax.txt	/*ft-lex-syntax*