ARM: pxa: fix now incorrect reference of skt->irq by using skt->socket.pci_irq

commit 66024db removes all other references of skt->irq by using
skt->socket.pci_irq, while leaving these two missed. Get them fixed.

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/pcmcia/pxa2xx_stargate2.c b/drivers/pcmcia/pxa2xx_stargate2.c
index 490749e..d08802f 100644
--- a/drivers/pcmcia/pxa2xx_stargate2.c
+++ b/drivers/pcmcia/pxa2xx_stargate2.c
@@ -40,7 +40,7 @@
 
 static int sg2_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
 {
-	skt->irq = IRQ_GPIO(SG2_S0_GPIO_READY);
+	skt->socket.pci_irq = IRQ_GPIO(SG2_S0_GPIO_READY);
 	return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
 }