Revert "Revert "Revert "omap2plus-cpufreq.c: Allow throttling to start at current freq"""

This reverts commit 50687c193da502a23f46d2454c7a05ec59884464.
remoteproc: fix null reference when certain error handling forces removal of virtio devices

Change-Id: Idee7bf23f0b36888a8922c534a964536df0fe9fc