util/me_cleaner: Pull the latest changes from upstream

Relevant changes (commit 2e8761e):
 * Add an option to truncate the ME image file
 * Add full support for Skylake (ME 11) and following, including
    modules removal, truncation informations and partition
    relocation
 * Add two options to generate a shrinked ME image file and the
    corresponding descriptor with a modified flash layout
 * Update README.md
 * Bug fixes

Also add a link to the usage guide in the Kconfig help.

Change-Id: I690c5d558139f64f38babf3c0988b53834ba8b37
Signed-off-by: Nicola Corna <nicola@corna.info>
Reviewed-on: https://review.coreboot.org/20915
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
diff --git a/src/southbridge/intel/common/firmware/Kconfig b/src/southbridge/intel/common/firmware/Kconfig
index 9d22b1b..6d33711 100644
--- a/src/southbridge/intel/common/firmware/Kconfig
+++ b/src/southbridge/intel/common/firmware/Kconfig
@@ -91,10 +91,11 @@
 	           only on reverse engineering and trial & error.
 
 	  See the project's page
-	  https://github.com/corna/me_cleaner
+	   https://github.com/corna/me_cleaner
 	  or the wiki
-	  https://github.com/corna/me_cleaner/wiki/How-does-it-work%3F
-	  https://github.com/corna/me_cleaner/wiki/me_cleaner-status
+	   https://github.com/corna/me_cleaner/wiki/How-to-apply-me_cleaner
+	   https://github.com/corna/me_cleaner/wiki/How-does-it-work%3F
+	   https://github.com/corna/me_cleaner/wiki/me_cleaner-status
 	  for more info about this tool
 
 	  If unsure, say N.