Add support for using the hcode repo

    -Add hcode package to enable compiling hardware
     reference image
    -Modify pnor and sbe makefiles to include a dependency on
     the hcode repository
    -Modify config files so that p9 platfoms use the compiled
     version of the hardware reference image by default
    -Update hostboot-binaries.mk to install the ring images
     to the staging dir

[stewart: remove IBM Austin specific paths, update defconfigs]
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/openpower/package/Config.in b/openpower/package/Config.in
index aed88b6..eb685db 100755
--- a/openpower/package/Config.in
+++ b/openpower/package/Config.in
@@ -8,6 +8,7 @@
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/petitboot/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/p8-pore-binutils/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/occ/Config.in"
+source "$BR2_EXTERNAL_OP_BUILD_PATH/package/hcode/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/capp-ucode/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/skiboot/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/libflash/Config.in"