Update SBE commit to a4a0154... SBE:putring: Support fastinit mode
Update SBE commit to a4a0154... SBE:putring: Support fastinit mode

Change-Id: Ic4844076798b92e01b8653ba903147ecffc33551
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/93349
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: Jenkins Combined Simics CI <8312af3886dfc9bb930f549023677220805b137e@us.ibm.com>
Reviewed-by: Nicholas E Bofferding <fb8db48116bc8a69e29dd8cdb037246f232f4af5@us.ibm.com>

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