hwdb: Add missing scancodes for Lenovo Legion devices

hwdb: Add missing scancodes for Lenovo Legion devices

Adds missing scancodes for Lenovo Legion Go, Go S, and Go 2. When long
pressing the power button the device should issue a LEFTMETA + F16
combo. The LEFTMETA code fires properly, but the F16 is not mapped.

Go and Go S devices detect as AT Translated Set 2 Keyboard, while Go 2
detects as AT Raw Set 2 Keyboard, hence the multiple entries.

Signed-off-by: Derek J. Clark <derekjohn.clark@gmail.com>