ARM: dts: imx6qdl-kontron-samx6i: remove duplicated node

stable inclusion
from stable-v5.10.143
commit bb4bee3eca783107101f5f3f55bbb35f14e6be39
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I6D0U6

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bb4bee3eca783107101f5f3f55bbb35f14e6be39



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[ Upstream commit 204f67d8 ]

The regulator node 'regulator-3p3v-s0' was dupplicated. Remove it to
clean the DTS.

Fixes: 2a51f9da ("ARM: dts: imx6qdl-kontron-samx6i: Add iMX6-based Kontron SMARC-sAMX6i module")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: Zheng Zengkai <zhengzengkai@huawei.com>