[PATCH] regulator: replace _internal suffix by _rdev

[Marco Felsch]

On 23-09-20, Sascha Hauer wrote:
> Rename functions to better align with the Linux Kernel.

Thanks a lot.

> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Reviewed-by: Marco Felsch <m.felsch at pengutronix.de>