bus: arm-ccn: Enable stats for CCN-502 interconnect

Add compatible string for the ARM CCN-502 interconnect
Signed-off-by: NVelibor Markovski <velibor.markovski@broadcom.com>
Acked-by: NMark Rutland <mark.rutland@arm.com>
Signed-off-by: NScott Branden <scott.branden@broadcom.com>
Signed-off-by: NPawel Moll <pawel.moll@arm.com>

drivers/bus/arm-ccn.c

@@ -1544,6 +1544,7 @@ static int arm_ccn_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id arm_ccn_match[] = {
+	{ .compatible = "arm,ccn-502", },
 	{ .compatible = "arm,ccn-504", },
 	{},
 };