Simon Glass e23c6c28b0 video: Allow simple-panel to be used without regulators
At present simple-panel requires regulator support and will not build
without it. But some panels do not have a power supply, or at least not one
that can be controlled. Update the implementation to cope with this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
2016-03-17 10:27:22 +08:00
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