Fix package name to install qemu on Debian. It used to be 'qemu'
only but it is now called 'qemu-system'.
Signed-off-by: Daniel R. Franzini <danielt3@usp.br>
Change-Id: Ibae9031a3e397925db95b7283fa8c6573f6d5858
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74894
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>