PRD: NVDIMM Fix negative temperature check
PRD: NVDIMM Fix negative temperature check

Change-Id: I389c2e12fe3147add5aa1b3620fb67755f7ef0e3
CQ: SW474740
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/83242
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Reviewed-by: Benjamen G Tyner <506b6a2e26cca05d0eb1ae91301b5a4a8d39199d@ibm.com>
Reviewed-by: Paul Greenwood <1d0ddd74e5903f685b00968179985f15afd113e9@ibm.com>
Reviewed-by: Zane C Shelley <fc96e127d170d6ac0b2af86a8a56f95974ff36e8@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/87511
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/87637
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot