ssb: driver_gige: use true and false for boolean values

Return statements in functions returning bool should use true or false
instead of an integer value.

This code was detected with the help of Coccinelle.
Signed-off-by: NGustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: NMichael Buesch <m@bues.ch>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

drivers/ssb/driver_gige.c

@@ -242,7 +242,7 @@ static int ssb_gige_probe(struct ssb_device *sdev,
 bool pdev_is_ssb_gige_core(struct pci_dev *pdev)
 {
 	if (!pdev->resource[0].name)
-		return 0;
+		return false;
 	return (strcmp(pdev->resource[0].name, SSB_GIGE_MEM_RES_NAME) == 0);
 }
 EXPORT_SYMBOL(pdev_is_ssb_gige_core);