ssb: sprom: replace strict_strtoul() with kstrtoul()

The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c
index a3b2364..e753fbe 100644
--- a/drivers/ssb/sprom.c
+++ b/drivers/ssb/sprom.c
@@ -54,7 +54,7 @@
 	while (cnt < sprom_size_words) {
 		memcpy(tmp, dump, 4);
 		dump += 4;
-		err = strict_strtoul(tmp, 16, &parsed);
+		err = kstrtoul(tmp, 16, &parsed);
 		if (err)
 			return err;
 		sprom[cnt++] = swab16((u16)parsed);