p9-pore-binutils only needed on POWER8 platforms

Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/openpower/package/p8-pore-binutils/Config.in b/openpower/package/p8-pore-binutils/Config.in
index f8d4bf0..a29397a 100644
--- a/openpower/package/p8-pore-binutils/Config.in
+++ b/openpower/package/p8-pore-binutils/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_HOST_P8_PORE_BINUTILS
         bool "p8-pore-binutils"
-        default y if (BR2_OPENPOWER_PLATFORM)
+        default y if (BR2_OPENPOWER_POWER8)
         select BR2_CPP
         help
             Project to build the P8 PORE binutils