qemu 2.12 removed the -usbdevice option. Use a more modern spelling instead, in line with other USB-related tests. Signed-off-by: Colin Watson <cjwatson@ubuntu.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Termux doesn't have a /bin/sh. So we needto use $SHELL. Keep /bin/sh as much as possible.