scsi: ufs: wb: Change function name and parameter names

Change the parameter names of ufshcd_wb_toggle_flush_during_h8() to match
the other toggle functions.

Link: https://lore.kernel.org/r/20220804075058epcms2p550c578d743fe0a94888b3d71cc9076d4@epcms2p5


Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jinyoung Choi <j-young.choi@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>