arm: omap2: irq: fix compile warning:

Fix the following compile warning:
arch/arm/mach-omap2/irq.c:64:31: warning: 'intc_context' defined but not
used
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/irq.c

@@ -61,8 +61,6 @@ struct omap3_intc_regs {
 	u32 mir[INTCPS_NR_MIR_REGS];
 };
 
-static struct omap3_intc_regs intc_context[ARRAY_SIZE(irq_banks)];
-
 /* INTC bank register get/set */
 
 static void intc_bank_write_reg(u32 val, struct omap_irq_bank *bank, u16 reg)
@@ -229,6 +227,8 @@ void __init omap_init_irq(void)
 }
 
 #ifdef CONFIG_ARCH_OMAP3
+static struct omap3_intc_regs intc_context[ARRAY_SIZE(irq_banks)];
+
 void omap_intc_save_context(void)
 {
 	int ind = 0, i = 0;