p9.npu.scom.initfile -- Nimbus DD2 updates

  mask NPU.IDIAL_SM_MASK_NLGX_0 for all ECs
  set NPU.CONFIG_DISABLE_VG_NOT_SYS for all ECs

Change-Id: Ief91a75430932f01d643cadee60f3d707e1ea048
CQ: HW413726
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42691
Reviewed-by: RYAN BLACK <rblack@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: Jenny Huynh <jhuynh@us.ibm.com>
Reviewed-by: Prachi Gupta <pragupta@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42693
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Dean Sanner <dsanner@us.ibm.com>
Tested-by: Dean Sanner <dsanner@us.ibm.com>