package/wf111: fix armv5 URL

Commit b857c748 (package/wf111: bump to version 5.2.2-r3) forgot to
completely update the archive name for the armv5te variant.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Julien CORJON <corjon.j@ecagroup.com>
Cc: Antoine Ténart <antoine.tenart@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>