meta-ampere: mtjade: Add Host firmware update support

Enable flash_bios feature and configure to use backend script to flash
UEFI firmware via Redfish, WebUI and Rest.

Tested:
1. Flash UEFI firmware via WebUI.
2. Flash UEFI firmware via Redfish UpdateService
3. Flash UEFI firmware via Rest interface.

Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Change-Id: I772e6a409414e374ed01e72e3c69985d0b413cb5
diff --git a/meta-common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-host-bios@.service b/meta-common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-host-bios@.service
new file mode 100644
index 0000000..c344600
--- /dev/null
+++ b/meta-common/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-host-bios@.service
@@ -0,0 +1,7 @@
+[Unit]
+Description=Ampere service for flashing the Host firmware image
+
+[Service]
+Type=oneshot
+RemainAfterExit=no
+ExecStart=/usr/sbin/ampere_flash_bios.sh /tmp/images/%I/*.img