PCMCIA: stop duplicating pci_irq in soc_pcmcia_socket

skt->irq is a mere duplication of pcmcia_socket's pci_irq member.
Get rid of it.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/pcmcia/sa1100_shannon.c b/drivers/pcmcia/sa1100_shannon.c
index 46d8c19..c4d5186 100644
--- a/drivers/pcmcia/sa1100_shannon.c
+++ b/drivers/pcmcia/sa1100_shannon.c
@@ -28,7 +28,7 @@
 	GAFR &= ~(SHANNON_GPIO_EJECT_0 | SHANNON_GPIO_EJECT_1 | 
 		  SHANNON_GPIO_RDY_0 | SHANNON_GPIO_RDY_1);
 
-	skt->irq = skt->nr ? SHANNON_IRQ_GPIO_RDY_1 : SHANNON_IRQ_GPIO_RDY_0;
+	skt->socket.pci_irq = skt->nr ? SHANNON_IRQ_GPIO_RDY_1 : SHANNON_IRQ_GPIO_RDY_0;
 
 	return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
 }