runqemu script now takes argument "slirp" in order to
run networking on the qemu machine, without root privileges.
changed the runqemu-internal script in order not to activate
the tap devices if the option is set.
[YOCTO #1474]
(From OE-Core rev: fa7fd7b1cbcfbd01af1949d2ea09b880a0ae0175)
Signed-off-by: Andrei Dinu <andrei.adrianx.dinu@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>