Changeset 9918:823e7c02b1c7
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mem: Pick the next DRAM request based on bank availability

This patch changes the FCFS bit of FR-FCFS such that requests that
target the earliest available bank are picked first (as suggested in
the original work on FR-FCFS by Rixner et al). To accommodate this we
add functionality to identify a bank through a one-dimensional
identifier (bank id). The member names of the DRAMPacket are also
update to match the style guide.

All regressions pass (with stats update)