Set the send_control pointer on the drivers

== DETAIL

One minor detail missed in the last commit: actually putting the
send_control function into the driver declaration. Woops.

Not doing the Wii U because it will be using the other methods.

input/drivers_hid/btstack_hid.c

@@ -1477,4 +1477,5 @@ hid_driver_t btstack_hid = {
    btstack_hid_joypad_rumble,
    btstack_hid_joypad_name,
    "btstack",
+   btpad_connection_send_control
 };

input/drivers_hid/iohidmanager_hid.c

@@ -860,4 +860,5 @@ hid_driver_t iohidmanager_hid = {
    iohidmanager_hid_joypad_rumble,
    iohidmanager_hid_joypad_name,
    "iohidmanager",
+   iohidmanager_hid_device_send_control,
 };

input/drivers_hid/libusb_hid.c

@@ -655,4 +655,5 @@ hid_driver_t libusb_hid = {
    libusb_hid_joypad_rumble,
    libusb_hid_joypad_name,
    "libusb",
+   libusb_hid_device_send_control,
 };

input/drivers_hid/wiiusb_hid.c

@@ -630,4 +630,5 @@ hid_driver_t wiiusb_hid = {
    wiiusb_hid_joypad_rumble,
    wiiusb_hid_joypad_name,
    "wiiusb",
+   wiiusb_hid_device_send_control,
 };