Bluetooth: btbcm: Use strreplace()

Use strreplace() instead of hand-writing it.
It is less verbose.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

drivers/bluetooth/btbcm.c

@@ -11,6 +11,7 @@
 #include <linux/firmware.h>
 #include <linux/dmi.h>
 #include <linux/of.h>
+#include <linux/string.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -544,7 +545,6 @@ static const char *btbcm_get_board_name(struct device *dev)
 	char *board_type;
 	const char *tmp;
 	int len;
-	int i;
 
 	root = of_find_node_by_path("/");
 	if (!root)
@@ -557,10 +557,7 @@ static const char *btbcm_get_board_name(struct device *dev)
 	len = strlen(tmp) + 1;
 	board_type = devm_kzalloc(dev, len, GFP_KERNEL);
 	strscpy(board_type, tmp, len);
-	for (i = 0; i < len; i++) {
-		if (board_type[i] == '/')
-			board_type[i] = '-';
-	}
+	strreplace(board_type, '/', '-');
 	of_node_put(root);
 
 	return board_type;