rt2x00: remove leading spaces before tabs

There are a few leading spaces before tabs and remove it by running the
following commard:

	$ find . -name '*.c' | xargs sed -r -i 's/^[ ]+\t/\t/'
	$ find . -name '*.h' | xargs sed -r -i 's/^[ ]+\t/\t/'

Cc: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1621407345-10625-3-git-send-email-tanghui20@huawei.com

drivers/net/wireless/ralink/rt2x00/rt2800lib.c

@@ -1037,7 +1037,7 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi,
 	 * FIXME: if we do not find matching entry, we tell that frame was
 	 * posted without any retries. We need to find a way to fix that
 	 * and provide retry count.
- 	 */
+	 */
 	if (unlikely((aggr == 1 && ampdu == 0 && real_mcs != mcs)) || !match) {
 		rt2800_rate_from_status(skbdesc, status, rt2x00dev->curr_band);
 		mcs = real_mcs;