FS host usb power

[kuldeepdhaka]

frosted/kernel/drivers/stm32_usb.c

Lines 402 to 406 in 2f64d64

	#ifdef CONFIG_USBHOST
	if (conf->otg_mode == USB_MODE_HOST) {
	usbhost_start();
	}
	#endif

if USB host is used on FS, need to enable power control IC (for example - on f746 and f769). just for reference