system(WB): update stm32wbxx_hal_conf_default.h

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

Diff for: system/STM32WBxx/stm32wbxx_hal_conf_default.h

@@ -151,7 +151,11 @@ extern "C" {
   *        This value is used by the UART, RTC HAL module to compute the system frequency
   */
 #if !defined  (LSE_VALUE)
-#define LSE_VALUE    (32768UL) /*!< Value of the External oscillator in Hz*/
+#if defined(STM32WB5Mxx)
+#define LSE_VALUE    (32774UL)     /*!< Value of the LSE oscillator in Hz */
+#else
+#define LSE_VALUE    (32768UL)     /*!< Value of the LSE oscillator in Hz */
+#endif /* STM32WB5Mxx */
 #endif /* LSE_VALUE */
 
 /**