soc: ti: qmss: fix the case when !SMP

The irq_set_affinity_hint() will always fail when !SMP and
Networking will fail on Keystone 2 devices in this case.
Hence, fix by ignoring IRQ affinity settings when !SMP.

Signed-off-by: Grygorii Strashko <[e-mail]>
Acked-by: Santosh Shilimkar <[e-mail]>
Signed-off-by: Arnd Bergmann <[e-mail]>

drivers/soc/ti/knav_qmss_queue.c

···
 
 		range->num_irqs++;
 
-		if (oirq.args_count == 3)
+		if (IS_ENABLED(CONFIG_SMP) && oirq.args_count == 3)
 			range->irqs[i].cpu_map =
 				(oirq.args[2] & 0x0000ff00) >> 8;
 	}