In the case that auto_bkops_enable is false, which means auto bkops has
been disabled, there is no need to call ufshcd_disable_auto_bkops().

Link: https://lore.kernel.org/r/20201125185300.3394-1-huobean@gmail.comReviewed-by: NStanley Chu <stanley.chu@mediatek.com>
Reviewed-by: NCan Guo <cang@codeaurora.org>
Signed-off-by: NBean Huo <beanhuo@micron.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>