Merge "devfreq: update freq variable in compute_freq function"

/*

 * Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.

 * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

{

	ktime_t ts;

	unsigned int diff;

	unsigned long freq = 0;

	uint64_t freq = 0;

	ts = ktime_get();

	diff = ktime_to_us(ktime_sub(ts, cpustats->prev_ts));