[PATCH v1] clk: imx6ul: fix "failed to get parent" error

[Stefan Wahren]

Am 10.03.23 um 17:45 schrieb Oleksij Rempel:
> On some configuration we may get following error:
> [    0.000000] imx:clk-gpr-mux: failed to get parent (-EINVAL)
>
> This happens if selector is configured to not supported value. To avoid
> this warnings add dummy parents for not supported values.
>
> Fixes: 4e197ee880c2 ("clk: imx6ul: add ethernet refclock mux support")
> Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>

Reported-by: Stefan Wahren <stefan.wahren at i2se.com>
Tested-by: Stefan Wahren <stefan.wahren at i2se.com>