clk: sunxi-ng: Make sure divider tables have sentinel

Two clock divider tables are missing sentinel at the end. Effect of that
is that clock framework reads past the last entry. Fix that with adding
sentinel at the end.

Issue was discovered with KASan.

Fixes: 0577e485 ("clk: sunxi-ng: Add H3 clocks")
Fixes: c6a06374 ("clk: sunxi-ng: Add A64 clocks")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://lore.kernel.org/r/20201202203817.438713-1-jernej.skrabec@siol.net


Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>