crypto: sun8i-ce - fix comparison of integer expressions of different signedness

This patch fixes the warning:
warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
Signed-off-by: NCorentin Labbe <clabbe@baylibre.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c

@@ -566,7 +566,7 @@ static struct sun8i_ce_alg_template ce_algs[] = {
 static int sun8i_ce_debugfs_show(struct seq_file *seq, void *v)
 {
 	struct sun8i_ce_dev *ce = seq->private;
-	int i;
+	unsigned int i;
 
 	for (i = 0; i < MAXFLOW; i++)
 		seq_printf(seq, "Channel %d: nreq %lu\n", i, ce->chanlist[i].stat_req);
@@ -767,7 +767,8 @@ static int sun8i_ce_get_clks(struct sun8i_ce_dev *ce)
 
 static int sun8i_ce_register_algs(struct sun8i_ce_dev *ce)
 {
-	int ce_method, err, id, i;
+	int ce_method, err, id;
+	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(ce_algs); i++) {
 		ce_algs[i].ce = ce;
@@ -847,7 +848,7 @@ static int sun8i_ce_register_algs(struct sun8i_ce_dev *ce)
 
 static void sun8i_ce_unregister_algs(struct sun8i_ce_dev *ce)
 {
-	int i;
+	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(ce_algs); i++) {
 		if (!ce_algs[i].ce)