rockchip: clk: rk3128: fix NANDC_PLL_SEL_MASK

The PLL selector field for NANDC is only 2 bits wide.
This fixes an 'int-overflow on shift' warning.

Fixes: 9246d9e ("rockchip: rk3128: add clock driver")
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
1 file changed