arm: orion: use string choices helper

We can use string choices helper, let's use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
This commit is contained in:
Kuninori Morimoto 2025-07-04 02:47:31 +00:00 • committed by Gregory CLEMENT
commit 90ec89d68f