misc: Remove m5a_ (critical path annotation) prototypes from m5ops.h.

This mechanism is still available within gem5 as far as I can tell, but
it's not accessible through the pseudo instruction interface.

Change-Id: I69bd3c92239721a6d1049cee66eb7a0c1bdbc272
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/27220
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