arm-bsp/sbsa-ref: modify network device and pflash for runqemu

The network device and pflash can be modified to more correctly emulate
an actual system.

Suggested-by: Marcin Juszkiewicz <marcin-oe@juszkiewicz.com.pl>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/conf/machine/sbsa-ref.conf

@@ -36,11 +36,11 @@ QB_MACHINE = "-machine sbsa-ref"
 QB_CPU = "-cpu neoverse-n2"
 QB_MEM = "-m 1024"
 QB_DEFAULT_FSTYPE = "wic.qcow2"
-QB_NETWORK_DEVICE = "-device virtio-net-pci,netdev=net0,mac=@MAC@"
+QB_NETWORK_DEVICE = "-device e1000e,netdev=net0,mac=@MAC@"
 QB_DRIVE_TYPE = "/dev/hd"
 QB_ROOTFS_OPT = "-drive file=@ROOTFS@,if=ide,format=qcow2"
 QB_DEFAULT_KERNEL = "none"
-QB_OPT_APPEND = "-device usb-tablet -device usb-kbd -pflash @DEPLOY_DIR_IMAGE@/SBSA_FLASH0.fd -pflash @DEPLOY_DIR_IMAGE@/SBSA_FLASH1.fd"
+QB_OPT_APPEND = "-device usb-tablet -device usb-kbd -drive if=pflash,format=raw,unit=0,readonly,file=@DEPLOY_DIR_IMAGE@/SBSA_FLASH0.fd -drive if=pflash,format=raw,unit=1,readonly,file=@DEPLOY_DIR_IMAGE@/SBSA_FLASH1.fd"
 QB_SERIAL_OPT = "-device virtio-serial-pci -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
 QB_TCPSERIAL_OPT = "-device virtio-serial-pci -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1 -device virtconsole,chardev=virtcon"
 # sbsa-ref is a true virtual machine so can't use KVM