irqchip/sunxi-nmi: Convert magic numbers to defines

The sunxi-nmi driver has a bunch of raw register offsets and bit values.

Convert them into define macros for better readability.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
1 file changed