This target currently doesn't compile, so remove it from the list of supported ISAs for the gem5-20 release. We can add this target back after the compilation errors have been fixed. Change-Id: I2b121824fcfee59b62d7d24600ddd0eece884c6b Signed-off-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/29392 Maintainer: Jason Lowe-Power <power.jg@gmail.com> Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Tested-by: kokoro <noreply+kokoro@google.com>