irqchip/sunxi-nmi: Add missing SKIP_WAKE flag

Some boards with Allwinner SoCs connect the PMIC's IRQ pin to the SoC's NMI
pin instead of a normal GPIO. Since the power key is connected to the PMIC,
and people expect to wake up a suspended system via this key, the NMI IRQ
controller must stay alive when the system goes into suspend.

Add the SKIP_WAKE flag to prevent the sunxi NMI controller from going to
sleep, so that the power key can wake up those systems.

[ tglx: Fixed up coding style ]

Signed-off-by: Philippe Simons <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>
Link: https://lore.kernel.org/all/[e-mail]

drivers/irqchip/irq-sunxi-nmi.c

···
 	gc->chip_types[0].chip.irq_unmask	= irq_gc_mask_set_bit;
 	gc->chip_types[0].chip.irq_eoi		= irq_gc_ack_set_bit;
 	gc->chip_types[0].chip.irq_set_type	= sunxi_sc_nmi_set_type;
-	gc->chip_types[0].chip.flags		= IRQCHIP_EOI_THREADED | IRQCHIP_EOI_IF_HANDLED;
+	gc->chip_types[0].chip.flags		= IRQCHIP_EOI_THREADED | IRQCHIP_EOI_IF_HANDLED |
+						  IRQCHIP_SKIP_SET_WAKE;
 	gc->chip_types[0].regs.ack		= reg_offs->pend;
 	gc->chip_types[0].regs.mask		= reg_offs->enable;
 	gc->chip_types[0].regs.type		= reg_offs->ctrl;