Enable ppe42-{gcc,binutils} as external toolchain

Create the infrastructure necessary to bundle ppe42-gcc and
ppe42-binutils as part of the sdk build, allowing it to be
re-inserted as part of an external sdk.

Signed-off-by: Klaus Heinrich Kiwi <klaus@linux.vnet.ibm.com>
diff --git a/openpower/package/ppe42-binutils/Config.in b/openpower/package/ppe42-binutils/Config.in
index 824e557..a878732 100644
--- a/openpower/package/ppe42-binutils/Config.in
+++ b/openpower/package/ppe42-binutils/Config.in
@@ -1,6 +1,5 @@
 config BR2_PACKAGE_HOST_PPE42_BINUTILS
         bool "ppe42-binutils"
-        default y if (BR2_OPENPOWER_PLATFORM && BR2_OPENPOWER_POWER9)
         select BR2_CPP
         help
             Project to build the PPE42 PORE binutils
diff --git a/openpower/package/ppe42-binutils/ppe42-binutils.mk b/openpower/package/ppe42-binutils/ppe42-binutils.mk
index 0c365b8..90abbf4 100644
--- a/openpower/package/ppe42-binutils/ppe42-binutils.mk
+++ b/openpower/package/ppe42-binutils/ppe42-binutils.mk
@@ -10,8 +10,8 @@
 
 PPE42_BINUTILS_DEPENDENCIES = host-binutils
 
-PPE42_BINUTILS_DIR = $(STAGING_DIR)/ppe42-binutils
-PPE42_BINUTILS_BIN = $(STAGING_DIR)/ppe42-binutils/linux
+PPE42_BINUTILS_DIR = $(HOST_DIR)/$(PPE42_TOOLCHAIN_DIR)
+PPE42_BINUTILS_BIN = $(HOST_DIR)/$(PPE42_TOOLCHAIN_BIN)
 
 define HOST_PPE42_BINUTILS_BUILD_CMDS
         cd $(@D) && \