gitignore: misc files

Ignore all files generated from *_shipped files, plus a few others.

Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index 2dac344..e8ad1f6 100644
--- a/scripts/kconfig/.gitignore
+++ b/scripts/kconfig/.gitignore
@@ -5,6 +5,7 @@
 lex.*.c
 *.tab.c
 *.tab.h
+zconf.hash.c
 
 #
 # configuration programs