ARM: shmobile: Make r8a7779 INTC irqpin platform data static

The platform data for the INTC irq pin driver
seems to be global symbols, make it static to
allow multi-soc build.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/intc-r8a7779.c

@@ -42,7 +42,7 @@
 #define INT2NTSR0 IOMEM(0xfe700060)
 #define INT2NTSR1 IOMEM(0xfe700064)
 
-struct renesas_intc_irqpin_config irqpin0_platform_data = {
+static struct renesas_intc_irqpin_config irqpin0_platform_data = {
 	.irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */
 	.sense_bitfield_width = 2,
 };