ARM: dts: nxp/imx6sll: fix wrong property name in usbphy node

stable inclusion
from stable-v5.10.190
commit 98b7ab5e8d88694c3407292a728dd3b53ad560cd
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I928UI

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=98b7ab5e8d88694c3407292a728dd3b53ad560cd



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[ Upstream commit ee70b908 ]

Property name "phy-3p0-supply" is used instead of "phy-reg_3p0-supply".

Fixes: 9f30b6b1 ("ARM: dts: imx: Add basic dtsi file for imx6sll")
cc: <stable@vger.kernel.org>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>