[FL-1984] USB-UART improvements and fixes (#785)

* [FL-1984] USB-UART fixes
* FuriHal: fix SOF wait on CDC0
* FuriHal: fixed stuck in UART IRQ with ORE event

Co-authored-by: あく <alleteam@gmail.com>

applications/gpio/usb_uart_bridge.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <stdint.h>
+
+typedef struct {
+    uint8_t vcp_ch;
+    uint8_t uart_ch;
+    uint32_t baudrate;
+} UsbUartConfig;
+
+void usb_uart_enable(UsbUartConfig* cfg);
+
+void usb_uart_disable();