[XInput] Add 8bitdo Ultimate Bluetooth Controller Support (libretro#1136

)

* Create Controller (Ultimate Wireless Controller).cfg

8bitdo Ultimate Bluetooth Controller
UPC: 6922621502487

Basic setup for pretty much any left and right joystick controller. this one has a nice charging dock.

* Update xinput/Controller (Ultimate Wireless Controller).cfg

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Co-authored-by: Rob Loach <robloach@gmail.com>

xinput/Controller (Ultimate Wireless Controller).cfg

@@ -0,0 +1,73 @@
+input_device_display_name = "8bitdo Ultimate Bluetooth Controller"
+input_driver = "xinput"
+input_device = "Controller (Ultimate Wireless Controller)"
+input_vendor_id = "11720"
+input_product_id = "12550"
+
+
+input_b_btn = "0"
+input_y_btn = "2"
+input_a_btn = "1"
+input_x_btn = "3"
+
+input_select_btn = "7"
+input_start_btn = "6"
+
+input_up_btn = "h0up"
+input_down_btn = "h0down"
+input_left_btn = "h0left"
+input_right_btn = "h0right"
+
+input_l_btn = "4"
+input_r_btn = "5"
+input_l2_axis = "+4"
+input_r2_axis = "+5"
+input_l3_btn = "8"
+input_r3_btn = "9"
+
+input_l_x_plus_axis = "+0"
+input_l_x_minus_axis = "-0"
+input_l_y_plus_axis = "-1"
+input_l_y_minus_axis = "+1"
+
+input_r_x_plus_axis = "+2"
+input_r_x_minus_axis = "-2"
+input_r_y_plus_axis = "-3"
+input_r_y_minus_axis = "+3"
+
+input_menu_toggle_btn = "10"
+
+# Labels
+
+input_b_btn_label = "B"
+input_y_btn_label = "Y"
+input_a_btn_label = "A"
+input_x_btn_label = "X"
+
+input_select_btn_label = "Minus"
+input_start_btn_label = "Plus"
+
+input_up_btn_label = "D-pad: Up"
+input_down_btn_label = "D-pad: Down"
+input_left_btn_label = "D-pad: Left"
+input_right_btn_label = "D-pad: Right"
+
+input_l_btn_label = "L"
+input_r_btn_label = "R"
+input_l2_axis_label = "L2"
+input_r2_axis_label = "R2"
+input_l3_btn_label = "L3"
+input_r3_btn_label = "R3"
+
+
+input_l_y_minus_axis_label = "Left Analog: Up"
+input_l_y_plus_axis_label = "Left Analog: Down"
+input_l_x_minus_axis_label = "Left Analog: Left"
+input_l_x_plus_axis_label = "Left Analog: Right"
+
+input_r_y_minus_axis_label = "Right Analog: Up"
+input_r_y_plus_axis_label = "Right Analog: Down"
+input_r_x_minus_axis_label = "Right Analog: Left"
+input_r_x_plus_axis_label = "Right Analog: Right"
+
+input_menu_toggle_btn_label = "Home"