DEVELOPERS: Fix warning with get-developers
erlang-p1-iconv does not exist as a package in buildroot and cause warning
with get-developers :
./utils/get-developers -p erlang-p1-iconv
WARNING: 'package/erlang-p1-iconv/' doesn't match any file
Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>