[HID] Report passthrough as keyboard type and subtype device.

- Added enums for: X_INPUT_DEVTYPE and X_INPUT_DEVSUBTYPE
- Fixed issue with xinput failure with keyboard flag received

src/xenia/hid/input.h

@@ -34,6 +34,16 @@ enum X_INPUT_FLAG {
   X_INPUT_FLAG_ANY_USER = 1 << 30
 };
 
+enum X_INPUT_DEVTYPE {
+  XINPUT_DEVTYPE_GAMEPAD = 0x00000001,
+  XINPUT_DEVTYPE_KEYBOARD = 0x00000002,
+};
+
+enum X_INPUT_DEVSUBTYPE {
+  XINPUT_DEVSUBTYPE_USB_KEYBOARD = 0x00000000,
+  XINPUT_DEVSUBTYPE_GAMEPAD = 0x00000001,
+};
+
 enum X_INPUT_GAMEPAD_BUTTON {
   X_INPUT_GAMEPAD_DPAD_UP = 0x0001,
   X_INPUT_GAMEPAD_DPAD_DOWN = 0x0002,