RedfishPkg/RedfishPlatformConfig: Fix CLANGPDB build failure

CLANGPDB build fails because the intrinsic _memcpy is used by
the compiler for the value structure passed via a function.
Change the code to use the value reference.

This fixes the issue: #11882

Signed-off-by: Abner Chang <abner.chang@amd.com>
4 files changed