perl-net-ssleay: fix build

the new option OPTIMIZE needs the same replacement.

see http://autobuild.buildroot.net/results/278f9d121273a16cedc009c0b8df0a8659d8fb73/

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
support/script/scancpan: add option test

test modules are usually useless on BR
qemu: bump to version 2.1.0
user guest
defconfig
network interface eth0
demo

set BR2_ROOTFS_OVERLAY with $(BR2_EXTERNAL)/overlay/
mojo skeleton

$ mojo generate app