1. A method, comprising: during a pre-extensible firmware interface initialization (PEI) phase of a boot flow at an information handling system: providing an update request repository that includes a plurality of entries, wherein each of the entries corresponds to a particular system setting and wherein a system setting value associated with each entry is included in a handoff block (HOB) of a plurality of handoff blocks associated with a cache; receiving a command from a PEI module (PEIM) indicating a change to be made to a particular system setting, the command including a value of the particular system setting; and creating or changing a particular entry of the update request repository based on the command, wherein when the update request repository does not include an entry of the entries that corresponds to the particular system setting, the creating comprises: creating the particular entry for the particular system setting; and associating with the particular entry for the particular system setting the value of the particular system setting included in the command.