boards: stm32f469i_disco: Tune freq to provide USB compatible freq
In order to be able to provide 48MHz on PLL-Q, slightly decrease
core clock freq.
&pll {
div-m = <8>;
- mul-n = <360>;
+ mul-n = <336>;
div-p = <2>;
div-q = <7>;
clocks = <&clk_hse>;
&rcc {
clocks = <&pll>;
- clock-frequency = <DT_FREQ_M(180)>;
+ clock-frequency = <DT_FREQ_M(168)>;
ahb-prescaler = <1>;
apb1-prescaler = <4>;
apb2-prescaler = <2>;
