It needs a different patch for 1.13.1 for autoconf'ing
Rename files to libiconv-1.11.1 and have a separate
directory for libiconv-1.13.1
(From OE-Core rev: f175e4f28aa835abef8c3d5e2065054416692418)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>