Merge pull request #269 from 9names/fix_uart_example_clock

Use .freq() to avoid moving clock

rp2040-hal/examples/uart.rs

@@ -91,7 +91,7 @@ fn main() -> ! {
     let mut uart = hal::uart::UartPeripheral::new(pac.UART0, uart_pins, &mut pac.RESETS)
         .enable(
             hal::uart::common_configs::_9600_8_N_1,
-            clocks.peripheral_clock.into(),
+            clocks.peripheral_clock.freq(),
         )
         .unwrap();