fp5280g2: support image verification

Enable BMC and PNOR signature verification.

Tested: Upload packages containing signatures and publickey through the WEBUI,
and successfully upgrade firmware (BMC and PNOR).

(From meta-inspur rev: e4ceaedefec1e9aee9ac5ca020377e9ff197329f)

Signed-off-by: Xiaochao Ma <maxiaochao@inspur.com>
Change-Id: I54133503f96f119b1464bca7a93045c293349ffc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-inspur/meta-fp5280g2/recipes-phosphor/flash/openpower-software-manager_%.bbappend b/meta-inspur/meta-fp5280g2/recipes-phosphor/flash/openpower-software-manager_%.bbappend
new file mode 100644
index 0000000..a6cbb74
--- /dev/null
+++ b/meta-inspur/meta-fp5280g2/recipes-phosphor/flash/openpower-software-manager_%.bbappend
@@ -0,0 +1 @@
+PACKAGECONFIG_append_fp5280g2 = " verify_pnor_signature"
diff --git a/meta-inspur/meta-fp5280g2/recipes-phosphor/flash/phosphor-software-manager_%.bbappend b/meta-inspur/meta-fp5280g2/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
new file mode 100644
index 0000000..77ec086
--- /dev/null
+++ b/meta-inspur/meta-fp5280g2/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
@@ -0,0 +1 @@
+PACKAGECONFIG_append_fp5280g2 = " verify_signature"