stm32/rcc: use PLL enums from PAC.

examples/stm32f2/src/bin/pll.rs

@@ -7,7 +7,7 @@ use core::convert::TryFrom;
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::rcc::{
-    APBPrescaler, ClockSrc, HSEConfig, HSESrc, PLL48Div, PLLConfig, PLLMainDiv, PLLMul, PLLPreDiv, PLLSrc,
+    APBPrescaler, ClockSrc, HSEConfig, HSESrc, PLLConfig, PLLMul, PLLPDiv, PLLPreDiv, PLLQDiv, PLLSrc,
 };
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
@@ -32,9 +32,9 @@ async fn main(_spawner: Spawner) {
         // 1 MHz PLL input * 240 = 240 MHz PLL VCO
         mul: unwrap!(PLLMul::try_from(240)),
         // 240 MHz PLL VCO / 2 = 120 MHz main PLL output
-        main_div: PLLMainDiv::Div2,
+        p_div: PLLPDiv::DIV2,
         // 240 MHz PLL VCO / 5 = 48 MHz PLL48 output
-        pll48_div: unwrap!(PLL48Div::try_from(5)),
+        q_div: PLLQDiv::DIV5,
     };
     // System clock comes from PLL (= the 120 MHz main PLL output)
     config.rcc.mux = ClockSrc::PLL;