arch: Delete now unused operand types.

These have been subsumed into the RegOperand type, and are fronted by
the *RegOperandDesc OperandDesc classes.

Change-Id: If57b683b06f3002004863c2d74f2a645882fbd41
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49734
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed