Merge tag 'mmio-clk-config' of https://git.kernel.org/pub/scm/linux/kernel/git/brooni...

Merge tag 'mmio-clk-config' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into drm-misc-next

regmap: MMIO regmap clock configuration

This patch provides a mechanism for specifying a different clock to be
used with the regmap clock integration.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180226131207.GB6681@sirena.org.uk