Eugeniy Paltsev ef833eab1d ARC: [plat-hsdk] use actual clk driver to manage cpu clk
With corresponding clk driver now merged upstream, switch to it.

 - core_clk now represent the PLL (vs. fixed clk before)
 - input_clk represent the clk signal src for PLL (basically xtal)

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2017-10-03 20:36:49 -07:00
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