Change primary postcode interface to byte array

Change primary code to std::vector<uint8_t> to meet the changes in
phosphor-dbus-interface.

[1] https://gerrit.openbmc.org/c/openbmc/phosphor-dbus-interfaces/+/74633

Change-Id: Ie1207d703f8bc1ad42fedc5bcbcbd0e4c23dacde
Signed-off-by: Cosmo Chou <cosmo.chou@quantatw.com>
Signed-off-by: Potin Lai <potin.lai@quantatw.com>
diff --git a/src/groupextcommands.cpp b/src/groupextcommands.cpp
index 8fa9f08..eb6b48e 100644
--- a/src/groupextcommands.cpp
+++ b/src/groupextcommands.cpp
@@ -24,7 +24,7 @@
 ipmi::RspType<> ipmiSBMRSendBootProgress(ipmi::Context::ptr ctx,
                                          std::vector<uint8_t> data)
 {
-    using postcode_t = std::tuple<uint64_t, std::vector<uint8_t>>;
+    using postcode_t = std::tuple<std::vector<uint8_t>, std::vector<uint8_t>>;
 
     std::optional<size_t> hostId = findHost(ctx->hostIdx);
 
@@ -43,11 +43,7 @@
 
     try
     {
-        auto primaryPostCode = reinterpret_cast<const uint64_t*>(data.data());
-        auto secondaryPostCode =
-            std::vector<uint8_t>(data.begin() + 8, data.end());
-        auto postCode =
-            postcode_t(bigEndianToHost(*primaryPostCode), secondaryPostCode);
+        postcode_t postCode(std::move(data), {});
         auto conn = getSdBus();
         auto hostbootRawObj =
             std::string(bootRawObjPrefix) + std::to_string(*hostId);
@@ -55,7 +51,8 @@
             conn->new_method_call(bootRawBusName, hostbootRawObj.data(),
                                   "org.freedesktop.DBus.Properties", "Set");
 
-        method.append(bootRawIntf, "Value", std::variant<postcode_t>(postCode));
+        method.append(bootRawIntf, "Value",
+                      std::variant<postcode_t>(std::move(postCode)));
 
         conn->call_noreply(method);
     }