crypto: hisilicon/zip - supplement some comments

Supplement some comments.

Signed-off-by: Yang Shen <[e-mail]>
Reviewed-by: Zhou Wang <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

drivers/crypto/hisilicon/zip/zip_main.c

···
 	writel(HZIP_DECOMP_CHECK_ENABLE | HZIP_ALL_COMP_DECOMP_EN,
 	       base + HZIP_CLOCK_GATE_CTRL);
 
-	/* enable sqc writeback */
+	/* enable sqc,cqc writeback */
 	writel(SQC_CACHE_ENABLE | CQC_CACHE_ENABLE | SQC_CACHE_WB_ENABLE |
 	       CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) |
 	       FIELD_PREP(CQC_CACHE_WB_THRD, 1), base + QM_CACHE_CTL);
···
 	if (val > qm->vfs_num)
 		return -EINVAL;
 
-	/* Calculate curr_qm_qp_num and store */
+	/* According PF or VF Dev ID to calculation curr_qm_qp_num and store */
 	if (val == 0) {
 		qm->debug.curr_qm_qp_num = qm->qp_num;
 	} else {