ARM: dts: emev2: Add whitespace for GPIO nodes

It turns out that the GPIO nodes for EMEV2 are missing whitespace,
so focus on what is important in life and adjust the coding style
to match the rest of the code base.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Link: https://lore.kernel.org/r/156877169225.29395.9771334507494949542.sendpatchset@octo


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>