arch/stm32h7: add an option to bypass clock configuration

arch/arm/src/stm32h7/Kconfig

@@ -2090,6 +2090,15 @@ config STM32H7_QSPI_REGDEBUG
 
 endmenu
 
+config STM32H7_BYPASS_CLOCKCONFIG
+	bool "Bypass clock configuration"
+	depends on ARCH_STM32H7_DUALCORE
+	default n if ARCH_CHIP_STM32H7_CORTEXM7
+	default y if ARCH_CHIP_STM32H7_CORTEXM4
+	---help---
+		Bypass clock configuration. For dual core chips only one core
+		should configure clocks
+
 config STM32H7_CUSTOM_CLOCKCONFIG
 	bool "Custom clock configuration"
 	default n

arch/arm/src/stm32h7/stm32_rcc.c

@@ -93,6 +93,7 @@
 
 void stm32_clockconfig(void)
 {
+#ifndef CONFIG_STM32H7_BYPASS_CLOCKCONFIG
   /* Make sure that we are starting in the reset state */
 
   rcc_reset();
@@ -119,6 +120,7 @@ void stm32_clockconfig(void)
   stm32_stdclockconfig();
 
 #  endif
+#endif  /* !CONFIG_STM32H7_BYPASS_CLOCKCONFIG */
 
   /* Enable peripheral clocking */