Break out of loop if we fail to load reserved mem section
Break out of loop if we fail to load reserved mem section

While building up the reserved memory sections if we encounter
and error trying to load one of the reserved memory sections we
should stop iterating through the sections and return the error.

Change-Id: I0652cdf9a9ce28c91092be01105938d9a3b6a0bb
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/81394
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Reviewed-by: Daniel M Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>

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