STM32: USBPhy: enable HS clock sleep

Author: facchinm

targets/TARGET_STM/USBPhy_STM32.cpp

@@ -235,6 +235,8 @@ void USBPhyHw::init(USBPhyEvents *events)
 
     __HAL_RCC_USB_OTG_HS_CLK_ENABLE();
     __HAL_RCC_USB_OTG_HS_ULPI_CLK_ENABLE();
+    __HAL_RCC_USB_OTG_HS_CLK_SLEEP_ENABLE();
+    __HAL_RCC_USB_OTG_HS_ULPI_CLK_SLEEP_ENABLE();
     map = PinMap_USB_HS;
 
 #elif (MBED_CONF_TARGET_USB_SPEED == USE_USB_HS_IN_FS)
@@ -298,7 +300,9 @@ void USBPhyHw::init(USBPhyEvents *events)
         map++;
     }
 
+#if !defined(TARGET_STM32H7)
     __HAL_RCC_PWR_CLK_ENABLE();
+#endif
 
 #if !defined(TARGET_STM32WB)
     __HAL_RCC_SYSCFG_CLK_ENABLE();