QEMU already supports /proc/self/{maps,stat,auxv} so addition of
/proc/self/exe is rather trivial.
Fixes https://bugs.launchpad.net/qemu/+bug/1299190
Signed-off-by: Maxim Ostapenko <m.ostapenko@partner.samsung.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>