ARM: dts: imx6qdl-gw59{10,13}: fix user pushbutton GPIO offset

stable inclusion
from stable-v5.10.154
commit d7b1e2cbe0a467b300409ccd9008515bc18dceea
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I64YCB

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d7b1e2cbe0a467b300409ccd9008515bc18dceea



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[ Upstream commit bb5ad739 ]

The GW5910 and GW5913 have a user pushbutton that is tied to the
Gateworks System Controller GPIO offset 2. Fix the invalid offset of 0.

Fixes: 64bf0a0a ("ARM: dts: imx6qdl-gw: add Gateworks System Controller support")
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Lipeng Sang <sanglipeng1@jd.com>