Update buildroot 2020.02.01 (#622)

* Update buildroot 2020.02.01

Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>

* Fix LN

* Fix wpa

Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>

* Fix lint

Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>

* fix-network

Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>

* Fix script

Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>

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

@@ -97,6 +97,25 @@ will therefore only use a few of them.
 * +FOO_CONF_OPTS+, to specify additional options to pass to +meson+ for the
   configuration step. By default, empty.
 
+* +FOO_CFLAGS+, to specify compiler arguments added to the package specific
+  +cross-compile.conf+ file +c_args+ property. By default, the value of
+  +TARGET_CFLAGS+.
+
+* +FOO_CXXFLAGS+, to specify compiler arguments added to the package specific
+  +cross-compile.conf+ file +cpp_args+ property. By default, the value of
+  +TARGET_CXXFLAGS+.
+
+* +FOO_LDFLAGS+, to specify compiler arguments added to the package specific
+  +cross-compile.conf+ file +c_link_args+ and +cpp_link_args+ properties. By
+  default, the value of +TARGET_LDFLAGS+.
+
+* +FOO_MESON_EXTRA_BINARIES+, to specify a space-separated list of programs
+  to add to the `[binaries]` section of the meson `cross-compilation.conf`
+  configuration file. The format is `program-name='/path/to/program'`, with
+  no space around the +=+ sign, and with the path of the program between
+  single quotes. By default, empty. Note that Buildroot already sets the
+  correct values for +c+, +cpp+, +ar+, +strip+, and +pkgconfig+.
+
 * +FOO_NINJA_ENV+, to specify additional environment variables to pass to
   +ninja+, meson companion tool in charge of the build operations. By default,
   empty.