Allwinner clock fixes for 4.13

One critical clock fix for sun5i (A10s/A13/R8) which enables propogation
 of clock rate changes from the "cpu" clock to it's parent PLL clock.
 This fixes cpufreq related crashes that have been observed on KernelCI
 with the C.H.I.P. and multi_v7_defconfig.
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Merge tag 'sunxi-clk-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes

Pull one Allwinner clock fix from Chen-Yu Tsai:

One critical clock fix for sun5i (A10s/A13/R8) which enables propagation
of clock rate changes from the "cpu" clock to it's parent PLL clock.
This fixes cpufreq related crashes that have been observed on KernelCI
with the C.H.I.P. and multi_v7_defconfig.

* tag 'sunxi-clk-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  clk: sunxi-ng: sun5i: Add clk_set_rate_parent to the CPU clock

drivers/clk/sunxi-ng/ccu-sun5i.c

@@ -184,7 +184,7 @@ static struct ccu_mux cpu_clk = {
 		.hw.init	= CLK_HW_INIT_PARENTS("cpu",
 						      cpu_parents,
 						      &ccu_mux_ops,
-						      CLK_IS_CRITICAL),
+						      CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
 	}
 };