ext: Make gem5-SST Memory Size configurable from script

The memory interface param was hardcoded to 8GiB therefore
not matching any python changes in the memory size

Change-Id: I180f57f662886010a38a9b7ebbdbb73e0ae48276
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53625
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed