b77e734e4e
This enables XML output for enums and adds enums for 2 fields on AArch64 Linux: * mte_ctrl.tcf, which controls how tag faults are delivered. * fpcr.rmode, which sets the rounding mode for floating point operations. The other one we could do is cpsr.btype, but it is not clear what would be useful here so I'm not including it in this change.