[PATCH] drm/msm/dpu: ignore NULL clocks

[Stephen Boyd]

Quoting Rob Clark (2019-11-14 10:51:50)
> From: Rob Clark <robdclark at chromium.org>
> 
> This isn't an error.  Also the clk APIs handle the NULL case, so we can
> just delete the check.
> 
> Signed-off-by: Rob Clark <robdclark at chromium.org>
> Tested-by: Matthias Kaehlcke <mka at chromium.org>
> ---

Acked-by: Stephen Boyd <sboyd at kernel.org>