arch-power: Fix disassembly for SPR move instructions
arch-power: Fix disassembly for SPR move instructions

This fixes disassembly generated for move-to and move-from
Special Purpose Register (SPR) instructions.

Change-Id: I03f10e3a44a8437beec453dfae2207d71ce43c1e
Signed-off-by: Sandipan Das <ae8113f64d9c72812e097938d25a8975da69c074@linux.ibm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/40882
Reviewed-by: Boris Shingarov <9e9a86074d235a5ecff50c3f2485c8b344969b31@gmail.com>
Maintainer: Gabe Black <d3e8afea784ab4a50a2dbf9149d2eaa8478e1cbc@gmail.com>
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>

gem5/gem5,gem5/gem5,gem5/gem5,gem5/gem5,gem5/gem5,gem5/gem5,gem5/gem5