clk: sunxi-ng: sun5i: Add clk_set_rate_parent to the CPU clock

The current CPU clock is missing the option to change the rate of its
parents, leading to improper rates calculated by cpufreq, and eventually
crashes.

Cc: <[email protected]>
Fixes: 5e73761786 ("clk: sunxi-ng: Add sun5i CCU driver")
Reported-by: Kevin Hilman <[email protected]>
Acked-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>

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),
 	}
 };