Add support for temperature sensor peripheral

* Add TEMP peripheral to all nRF52 chips
* Add async HAL for reading temperature values
* Add example application reading temperature values

embassy-nrf/src/chips/nrf52832.rs

@@ -124,6 +124,9 @@ embassy_hal_common::peripherals! {
     P0_29,
     P0_30,
     P0_31,
+
+    // TEMP
+    TEMP,
 }
 
 impl_uarte!(UARTE0, UARTE0, UARTE0_UART0);