The crude loop I wrote to come up with this changeset:

  find -L package/feeds/packages/ -name patches | \
  sed 's/patches$/refresh/' | sort | xargs make

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>

This reverts commit 9eb20588cc.

For some unexplained reason, this uses host tools to compile target
builds.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Refreshes patches and updated MESON_ARGS.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Removed iconv const patch. After discussing with upstream. it turns out
that libiconv-full in OpenWrt is broken.

Signed-off-by: Rosen Penev <rosenp@gmail.com>