drm/panfrost: Remove NULL check for regulator
devm_regulator_get() is used to populate pfdev->regulator which ensures that this cannot be NULL (a dummy regulator will be returned if necessary). So remove the check in panfrost_devfreq_target(). Signed-off-by: Steven Price <steven.price@arm.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191004144413.42586-1-steven.price@arm.com
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