examples: add nvme-cortext-a57.conf

nvme-aarch64 configuration example is now intented to be used as
virtualization. Add cortex-a57 emulation example with had before but
with a separate configuration file overwriting the GUEST_CPU.

Signed-off-by: Daniel Gomez <da.gomez@samsung.com>

examples/vm/nvme-cortex-a57.conf

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+GUEST_BOOT_BASE="img/debian-13-genericcloud-arm64.qcow2"
+GUEST_CPU="cortex-a57"
+
+source "aarch64-virt-base.conf"
+
+_setup_nvme_aarch64() {
+  # setup basevm
+  _setup_aarch64_virt_base
+
+  # pcie root port
+  qemu_pcie_add_root_port "pcie_root_port0" \
+    --chassis 1 --slot 0
+
+  # nvme controller
+  qemu_nvme_add_ctrl "nvme0" \
+    --serial "deadbeef" \
+    --port "pcie_root_port0" \
+    --extra "mdts=7"
+
+  # nvme namespace
+  qemu_nvme_add_ns "nvm" \
+    --nsid "1" \
+    --ctrl "nvme0" \
+    --size "1G" \
+    --extra "$default_nvme_ns_extra"
+}