[ARM] generic: sun4i: Adding pinctrl nodes for cubieboard and hackberry.

Signed-off-by: Pranavkumar Sawargaonkar <pranav.sawargaonkar@gmail.com>
[DRIVERS] pinctrl: Sunxi: Fix wring interrupt modes set.

This patch fixes wrong irq mode set in the code in function
sunxi_pinctrl_irq_set_type()

Signed-off-by: Pranavkumar Sawargaonkar <pranav.sawargaonkar@gmail.com>