Makefile: fix tags target documentation
Replace the TAGS target name by the actual ctags target name.
Also, add etags target documentation.
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/Makefile b/Makefile
index bfe801c..ca212b5 100644
--- a/Makefile
+++ b/Makefile
@@ -1311,7 +1311,8 @@
@echo ' dir/file.[oisS] - Build specified target only'
@echo ' dir/file.lst - Build specified mixed source/assembly target only'
@echo ' (requires a recent binutils and recent build (System.map))'
- @echo ' tags/TAGS - Generate tags file for editors'
+ @echo ' tags/ctags - Generate ctags file for editors'
+ @echo ' etags - Generate etags file for editors'
@echo ' cscope - Generate cscope index'
@echo ' ubootrelease - Output the release version string'
@echo ' ubootversion - Output the version stored in Makefile'