Add GNR and SRF to cpuinfoapp support

They do support same PCS and PIROM interfaces as previous generations.

Change-Id: Ib30df04dff9cd9506a193589234f1d52c76a022a
Signed-off-by: Jonathan Doman <jonathan.doman@intel.com>
diff --git a/src/cpuinfo_main.cpp b/src/cpuinfo_main.cpp
index eac04d5..85a2302 100644
--- a/src/cpuinfo_main.cpp
+++ b/src/cpuinfo_main.cpp
@@ -408,6 +408,8 @@
         case icxd:
         case spr:
         case emr:
+        case gnr:
+        case srf:
         {
             // PPIN can be read through PCS 19
             static constexpr uint8_t u8Size = 4; // default to a DWORD