kbuild: fix comment in modpost.c

There is some confusion on naming of the head section.
Correct naming is .head.text.

Fix comment so we use correct naming.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 57d71a5..e5ae695 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -928,8 +928,7 @@
  *           *probe_one, *_console, *_timer
  *
  * Pattern 3:
- *   Whitelist all refereces from .text.head to .init.data
- *   Whitelist all refereces from .text.head to .init.text
+ *   Whitelist all references from .head.text to any init section
  *
  * Pattern 4:
  *   Some symbols belong to init section but still it is ok to reference