Merge branch 'for-7.1/core-v2' into for-linus

- fixed handling of 0-sized reports (Dmitry Torokhov)
- convert core code to __free() (Dmitry Torokhov)
- support for multiple batteries per HID device (Lucas Zampieri)

diff --cc drivers/hid/Kconfig
Simple merge

diff --cc drivers/hid/hid-apple.c
Simple merge

diff --cc drivers/hid/hid-debug.c
Simple merge

diff --cc drivers/hid/hid-input.c
Simple merge

diff --cc drivers/hid/hid-logitech-dj.c
Simple merge

diff --cc drivers/hid/hid-logitech-hidpp.c
Simple merge

diff --cc drivers/hid/hid-playstation.c
Simple merge

diff --cc drivers/hid/hid-quirks.c
Simple merge

diff --cc drivers/hid/hid-roccat.c
Simple merge

diff --cc drivers/hid/usbhid/hid-core.c
Simple merge