Description: LoongArch: Update cpu_sibling_map when disabling nonboot CPUs
References:
Notes:
 carnil> First introducing commit could not be determined.
Bugs:
upstream: released (6.8-rc6) [752cd08da320a667a833803a8fd6bb266114cce5]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: released (6.7.7) [0d862db64d26c2905ba1a6a8561466b215b664c2]
6.6-upstream-stable: released (6.6.19) [b1ec3d6b86fdd057559a5908e6668279bf770e0e]
6.1-upstream-stable: needed
5.10-upstream-stable: needed
4.19-upstream-stable: needed
sid: released (6.7.7-1)
6.1-bookworm-security: needed
5.10-bullseye-security: needed
4.19-buster-security: needed