drivers: entropy: Fix non-stop RNG ISR firing for STM32WB09

Fix the TRNG driver issue regarding non-stop ISR firing for STM32WB09 by
clearing RNG_IRQ_SR_ERROR_IRQ flag.

Signed-off-by: Ali Hozhabri <[email protected]>

Author: HoZHel

drivers/entropy/entropy_stm32.h

@@ -56,6 +56,7 @@ static inline void ll_rng_clear_seis(RNG_TypeDef *RNGx)
 #if defined(CONFIG_SOC_SERIES_STM32WB0X)
 #	if defined(CONFIG_SOC_STM32WB09XX)
 		LL_RNG_SetResetHealthErrorFlags(RNGx, 1);
+		WRITE_REG(RNGx->IRQ_SR, RNG_IRQ_SR_ERROR_IRQ);
 #	else
 		LL_RNG_ClearFlag_FAULT(RNGx);
 #	endif