Merge branch 'for-4.15/upstream' into for-linus

- cp2112: GPIO error handling and Kconfig fixes from Sébastien Szymanski
- i2c-hid: fixup / quirk for Apollo-Lake based laptops, from Hans de Goede
- Input/Core: add eraser tool support, from Ping Cheng
- small assorted code fixes

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --cc drivers/hid/Kconfig
Simple merge

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

diff --cc drivers/hid/hid-ids.h
Simple merge

diff --cc drivers/hid/i2c-hid/i2c-hid.c
Simple merge

diff --cc include/linux/hid.h
Simple merge