ux500: remove ambiguous irq macros

Remove the irq number macros which don't specify which SoC they're for.

Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
diff --git a/arch/arm/mach-ux500/prcmu.c b/arch/arm/mach-ux500/prcmu.c
index 3ba3e32..07d5f13 100644
--- a/arch/arm/mach-ux500/prcmu.c
+++ b/arch/arm/mach-ux500/prcmu.c
@@ -240,7 +240,8 @@
 	/* Clean up the mailbox interrupts after pre-kernel code. */
 	writel((MBOX_BIT(NUM_MBOX) - 1), PRCM_ARM_IT1_CLEAR);
 
-	return request_irq(IRQ_PRCMU, prcmu_irq_handler, 0, "prcmu", NULL);
+	return request_irq(IRQ_DB8500_PRCMU1, prcmu_irq_handler, 0,
+			   "prcmu", NULL);
 }
 
 arch_initcall(prcmu_init);