Add new force feedback driver for Mayflash game controller adapters.

This patchset adds a new force feedback driver for game controller adapters by Mayflash, called hid-mf.

CHANGES from v1:
* Added IS_ENABLED(CONFIG_HID_MAYFLASH) to hid_have_special_driver[] in hid-core.c
* Proper iteration over hid->inputs in mf_init() in hid-mf.c
* Use consistent naming of 'struct hid_device *hid' in hid-mf.c

Marcel Hasler (2):
usbhid: Add quirks for Mayflash/Dragonrise GameCube and PS3 adapters. Add new force feedback driver for Mayflash game controller adapters.

 drivers/hid/Kconfig             |   8 ++
 drivers/hid/Makefile            |   1 +
 drivers/hid/hid-core.c          |   3 +
 drivers/hid/hid-ids.h           |   6 +-
 drivers/hid/hid-mf.c            | 166 ++++++++++++++++++++++++++++++++++++++++
 drivers/hid/usbhid/hid-quirks.c |   2 +
 6 files changed, 184 insertions(+), 2 deletions(-)
 create mode 100644 drivers/hid/hid-mf.c

2.10.1