clk: tegra114: add LP1 suspend/resume support
When the system suspends to LP1, the CPU clock source is switched to CLK_M (12MHz Oscillator) during suspend/resume flow. The CPU clock source is controlled by the CCLKG_BURST_POLICY register, and hence this register must be restored during LP1 resume. Cc: Mike Turquette <mturquette@linaro.org> Signed-off-by: NJoseph Lo <josephl@nvidia.com> Signed-off-by: NStephen Warren <swarren@nvidia.com>
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