Create Build Infrastructure for OCMBFW Image Delivery

  - Use OCMBFW binary delivery from:
           https://github.com/open-power/ocmb-explorer-fw/releases

  - Makefile/Config file updates to enable binary image extraction + processing
      so OCMBFW is populated in the proper PNOR partition

Changes Included for package pnor, branch master:
4fbcc5e - William Hoffa - 2019-08-01 - Merge pull request #126 from wghoffa/master
fae230b - Bill Hoffa - 2019-08-01 Revert "Add OCMBFW Partition"

Signed-off-by: Bill Hoffa <wghoffa@us.ibm.com>
diff --git a/openpower/package/openpower-pnor/openpower-pnor.mk b/openpower/package/openpower-pnor/openpower-pnor.mk
index 769a58d..3e3cfbb 100644
--- a/openpower/package/openpower-pnor/openpower-pnor.mk
+++ b/openpower/package/openpower-pnor/openpower-pnor.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-OPENPOWER_PNOR_VERSION ?= 03469302c58f65ff57082792cdda159795f6e488
+OPENPOWER_PNOR_VERSION ?= 4fbcc5ef382f0202fa3fc6c3451a64fc39af3588
 OPENPOWER_PNOR_SITE ?= $(call github,open-power,pnor,$(OPENPOWER_PNOR_VERSION))
 
 OPENPOWER_PNOR_LICENSE = Apache-2.0
@@ -129,7 +129,9 @@
             -payload_filename $(BR2_SKIBOOT_LID_XZ_NAME) \
             -binary_dir $(BINARIES_DIR) \
             -bootkernel_filename $(LINUX_IMAGE_NAME) \
-	    -ocmbfw_original_filename $(OPENPOWER_PNOR_SCRATCH_DIR)/$(BR2_OCMBFW_FILENAME) \
+	    -ocmbfw_version $(BR2_OCMB_EXPLORER_FW_VERSION) \
+	    -ocmbfw_url $(BR2_OCMB_EXPLORER_FW_URL) \
+	    -ocmbfw_original_filename $(BINARIES_DIR)/$(BR2_OCMBFW_FILENAME) \
 	    -ocmbfw_binary_filename $(OPENPOWER_PNOR_SCRATCH_DIR)/$(BR2_OCMBFW_PROCESSED_FILENAME) \
             -pnor_layout $(@D)/"$(OPENPOWER_RELEASE)"Layouts/$(BR2_OPENPOWER_PNOR_XML_LAYOUT_FILENAME) \
             $(XZ_ARG) $(KEY_TRANSITION_ARG) $(SIGN_MODE_ARG) \