platform/x86: hp-wmi: Support touchpad on/off

[ Upstream commit 401199ff ]

Add scancodes reported by the touchpad on/off button. The actual disabling
and enabling is done in hardware, and this just reports that change to
userspace.

Signed-off-by: Daniel Houldsworth <dhould3@gmail.com>
Link: https://lore.kernel.org/r/20220922115459.6511-1-dhould3@gmail.com


Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Stable-dep-of: decab282 ("platform/x86: hp-wmi: add micmute to hp_wmi_keymap struct")
Signed-off-by: Sasha Levin <sashal@kernel.org>