LU-17984 lnet: Remove the correct state on failure

LU-17984 lnet: Remove the correct state on failure

On cpu init a failure to setup CPUHP_AP_ONLINE_DYN should
remove the previously setup state CPUHP_BP_PREPARE_DYN

CPUHP_AP_ONLINE_DYN should be CPUHP_BP_PREPARE_DYN

Test-Parameters: trivial
Fixes: 6d27c2c8c72 ("LU-17592 build: compatibility updates for kernel 6.8")
Signed-off-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Change-Id: Ic9fc9dd4e798be3a0db65092e2b8e545ec5d4687
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55552
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Petros Koutoupis <petros.koutoupis@hpe.com>
Reviewed-by: Caleb Carlson <caleb.carlson@hpe.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>