m32r idle: delete pm_idle, and other dead idle code
m32r idle: delete pm_idle, and other dead idle code

All paths on m32r lead to cpu_relax().
So delete the dead code and simply call cpu_relax() directly.

Signed-off-by: Len Brown <b060cfa1096cc6e8be83699ddb4ed8a77dd63af5@intel.com>
Cc: 924ad5df4254559941bf8108ffd98aff55368004@ml.linux-m32r.org

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas