arm64: dts: rockchip: fix regulator name for Lunzn Fastrhino R6xS

[ Upstream commit 2dad3152 ]

Make the regulator name the same as those marked by schematics.

Fixes: c79dab40 ("arm64: dts: rockchip: Add Lunzn Fastrhino R66S")
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://lore.kernel.org/r/20240630150010.55729-2-amadeus@jmu.edu.cn


Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>