Add SBE initiated mpipl testcase
Add SBE initiated mpipl testcase

This commit adds testcase which would test SBE initiated
MPIPL boot.

Signed-off-by: Srikanth Aithal <ce41ff4d498675705f8b0b820c457146618eaa72@linux.vnet.ibm.com>

open-power/op-test-framework,open-power/op-test-framework,open-power/op-test-framework