ARM: dts: sunxi: Fix SPI NOR campatible on Orange Pi Zero

The device tree should include generic "jedec,spi-nor" compatible, and a
manufacturer-specific one.
The macronix part is what is shipped on the boards that come with a
flash chip.

Fixes: 45857ae9

 ("ARM: dts: orange-pi-zero: add node for SPI NOR")
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220708174529.3360-1-msuchanek@suse.de