pm: cpupower: Fix cmd_monitor() error legs to free cpu_topology

cmd_monitor() calls get_cpu_topology() to allocate memory for
cpu topology and fails to release in error legs.

Fix it to call cpu_topology_release() from error legs.

Link: https://lore.kernel.org/r/20250305225342.19447-2-skhan@linuxfoundation.org


Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>