MIPS: IP32: Fix needlessly global symbols in arch/mips/sgi-ip32/ip32-irq.c

The following symbols are needlessly defined global: cpuerr_irq and
memerr_irq. This patch makes the symbols static.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/sgi-ip32/ip32-irq.c

@@ -112,13 +112,13 @@ static void inline flush_mace_bus(void)
 extern irqreturn_t crime_memerr_intr(int irq, void *dev_id);
 extern irqreturn_t crime_cpuerr_intr(int irq, void *dev_id);
 
-struct irqaction memerr_irq = {
+static struct irqaction memerr_irq = {
 	.handler = crime_memerr_intr,
 	.flags = IRQF_DISABLED,
 	.name = "CRIME memory error",
 };
 
-struct irqaction cpuerr_irq = {
+static struct irqaction cpuerr_irq = {
 	.handler = crime_cpuerr_intr,
 	.flags = IRQF_DISABLED,
 	.name = "CRIME CPU error",