configs: Update memory port name in Ruby

Memory port for controllers is now called memory_out_port.
'memory' is a depracated param according to this change:
https://gem5-review.googlesource.com/c/public/gem5/+/34417

Change-Id: I6a561f5603c7597a3974af1766ab642acb3e59de
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/58189
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed