istep 15 changes

- changes in CME/SGPE hcode for istep15 changes.
- merged 23684 changes
- sgpe Makefile changes
- sgpe_img_edit changes to accept multiple images
- changes to get ekb build to do cme and sgpe img edit
- Replaced EPM_P9_TUNING with ISTEP15_HACK at few places
- More changes to get working on 9067
- Removed trailing whitespace in multiple files which were giving
  build warnings
- Checked in image build wrapper files with new hw_image name
  plus commented out lines which are being worked out in a
  separate gerrit id
- Added FUSED mode attribute to all base attribute files
- Added a first draft of the istep15 perl script in pm tools dir

Change-Id: I59bedfecbffebd1624849b2ce6c1cbe099863e44
Original-Change-Id: I4f559e041406e09ea1d9376c585c97b8445e8ff8
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/26027
Dev-Ready: Gregory S. Still <stillgs@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/37039
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Tested-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/import/chips/p9/procedures/hwp/lib/p9_hcd_common.H

@@ -232,7 +232,11 @@ enum XCR_DEFS
     HARD_RESET         = 6,
     FORCE_HALT         = 7
 };
-
+enum SLAVE_CONFIG_DEFS
+{
+    CFG_PM_DISABLE     = 6,
+    CFG_PM_MUX_DISABLE = 7
+};
 
 } // END OF NAMESPACE p9hcd