Update buildroot 2018.05.1 / u-boot (#150)

* Update buildroot 2018.05.1 / u-boot

* Cleanup

* Fix bl

buildroot/docs/manual/adding-packages-perl.txt

@@ -46,7 +46,7 @@ built.
 
 Most of these data can be retrieved from https://metacpan.org/.
 So, this file and the Config.in can be generated by running
-the script +supports/scripts/scancpan Foo-Bar+ in the Buildroot directory
+the script +utils/scancpan Foo-Bar+ in the Buildroot directory
 (or in a br2-external tree).
 This script creates a Config.in file and foo-bar.mk file for the
 requested package, and also recursively for all dependencies specified by

buildroot/docs/manual/manual.text

@@ -161,8 +161,8 @@ List of Examples
 
 ---------------------------------------------------------------------
 
-Buildroot 2018.05 manual generated on 2018-06-01 20:24:17 UTC from
-git revision f3d114a1ef
+Buildroot 2018.05.1 manual generated on 2018-07-19 22:46:17 UTC from
+git revision ef26ffddde
 
 The Buildroot manual is written by the Buildroot developers. It is
 licensed under the GNU General Public License, version 2. Refer to
@@ -5096,7 +5096,7 @@ all the Makefile rules that actually allow the package to be built.
 
 Most of these data can be retrieved from https://metacpan.org/. So,
 this file and the Config.in can be generated by running the script
-supports/scripts/scancpan Foo-Bar in the Buildroot directory (or in a
+utils/scancpan Foo-Bar in the Buildroot directory (or in a
 br2-external tree). This script creates a Config.in file and
 foo-bar.mk file for the requested package, and also recursively for
 all dependencies specified by CPAN. You should still manually edit