ARM: dts: sunxi: Add Neutis N5H3 support

Emlid Neutis N5H3 is a version of Emlid Neutis SoM with H3 instead of H5
inside.

6eeb4180 ("ARM: dts: sunxi: h3-h5: Add Bananapi M2+ v1.2 device")
was used as reference.

Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>