coccicheck: refer to Documentation/coccinelle.txt and wiki

Refer to the Documentation/coccinelle.txt and supplemental documentation
on the wiki:

https://bottest.wiki.kernel.org/coccicheck

This page shall always refer to the linux-next iteration of scripts/coccicheck.

v4: only refer to the wiki as supplemental documentation, and also
update Documentation/coccinelle.txt.

Signed-off-by: Luis R. Rodriguez <[e-mail]>
Acked-by: Nicolas Palix <[e-mail]>
Signed-off-by: Michal Marek <[e-mail]>

Documentation/coccinelle.txt

···
 
         sudo make install
 
+ Supplemental documentation
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+For supplemental documentation refer to the wiki:
+
+https://bottest.wiki.kernel.org/coccicheck
+
+The wiki documentation always refers to the linux-next version of the script.
+
  Using Coccinelle on the Linux kernel
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

scripts/coccicheck

···
 #!/bin/bash
-
+# Linux kernel coccicheck
+#
+# Read Documentation/coccinelle.txt
 #
 # This script requires at least spatch
 # version 1.0.0-rc11.
-#
 
 DIR="$(dirname $(readlink -f $0))/.."
 SPATCH="`which ${SPATCH:=spatch}`"