clk: milbeaut: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Sugaya Taichi <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>
Link: https://lkml.kernel.org/r/[e-mail]

drivers/clk/clk-milbeaut.c

···
 		if (readl_poll_timeout(divider->write_valid_reg, val,
 			!val, M10V_UPOLL_RATE, M10V_UTIMEOUT))
 			pr_err("%s:%s couldn't stabilize\n",
-				__func__, divider->hw.init->name);
+				__func__, clk_hw_get_name(hw));
 	}
 
 	if (divider->lock)