nfc: fdp: use unsigned int as loop iterator

Loop iterators are simple integers, no point to optimize the size and
use u8.  It only raises the question whether the variable is used in
some other context.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/nfc/fdp/fdp.c

@@ -611,7 +611,8 @@ static int fdp_nci_core_get_config_rsp_packet(struct nci_dev *ndev,
 	struct fdp_nci_info *info = nci_get_drvdata(ndev);
 	struct device *dev = &info->phy->i2c_dev->dev;
 	struct nci_core_get_config_rsp *rsp = (void *) skb->data;
-	u8 i, *p;
+	unsigned int i;
+	u8 *p;
 
 	if (rsp->status == NCI_STATUS_OK) {