scsi: ufs: ufs-mediatek: Modify the return value

Be consistent with the rest of driver wrt. functions returning bool.

  91: 	return !!(host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE);
  98: 	return !!(host->caps & UFS_MTK_CAP_VA09_PWR_CTRL);
  105:	return !!(host->caps & UFS_MTK_CAP_BROKEN_VCC);

Signed-off-by: ChanWoo Lee <cw9316.lee@samsung.com>
Link: https://lore.kernel.org/r/20221118045242.2770-1-cw9316.lee@samsung.com


Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>