[PATCH] regulator: bd718x7: Bypass bogus warnings

[sbabic at denx.de]

> When regulator consumer attempts to set enabled DVS regulator voltage,
> the driver aborts with "Only DVS bucks can be changed when enabled".
> In case the regulator is already set to specified voltage, do nothing
> instead of failing outright.
> When regulator consumer attempts to set enables regulator which cannot
> be controlled because it is already always enabled, the driver aborts
> with -EINVAL. Again, do nothing in such case and return 0, because the
> request is really fulfilled, the regulator is enabled.
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Matti Vaittinen <matti.vaittinen at fi.rohmeurope.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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