[U-Boot] rockchip: clk: fix typo in rk322x clock driver

[Philipp Tomsich]

> Fix typo RK322X/RK3036 in rk322x clock driver.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
>  drivers/clk/rockchip/clk_rk322x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>