HID: alps: Declare U1_UNICORN_LEGACY support

stable inclusion
from stable-v5.10.137
commit e2d132ca7fab905bfaa39f03551f02651c6b87da
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e2d132ca7fab905bfaa39f03551f02651c6b87da



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[ Upstream commit 1117d182 ]

U1_UNICORN_LEGACY id was added to the driver, but was not declared
in the device id table, making it impossible to use.

Fixes: 640e403b ("HID: alps: Add AUI1657 device ID")
Signed-off-by: Artem Borisov <dedsa2002@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>