Update P10 chip data XML

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: Ia864d6b7cb6bea6f245c0794687b0d32f2a3691c
diff --git a/xml/build_chip_data_binary b/xml/build_chip_data_binary
index c6dc0c7..2844fd5 100755
--- a/xml/build_chip_data_binary
+++ b/xml/build_chip_data_binary
@@ -31,6 +31,7 @@
     EXPLORER_11 => 0x60D20011, # Explorer Chip DD1.0
     EXPLORER_20 => 0x60D20020, # Explorer Chip DD1.0
     P10_10      => 0x20DA0010, # P10 Chip DD1.0
+    P10_20      => 0x20DA0020, # P10 Chip DD2.0
 };
 
 # All models/ECs that may exist in the XML, but no longer needs to be built.