updates for NPU errata

p9.chip.gtpr.scan.initfile
  add clock gate disable for HW407330

p9.npu.scom.initfile
  add workarounds for HW398156, HW364887, HW372457, HW376377, HW398156

Change-Id: I48443e7c8288cfce665dbd8b00518c3e19e7116e
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/46237
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: RYAN BLACK <rblack@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/46242
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: Daniel M. Crowell <dcrowell@us.ibm.com>