ARM: dts: imx6sll: fixup of operating points

stable inclusion
from stable-v5.10.190
commit 14f2e2ac731b61895d3e335cc23ee0c192ec429f
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=14f2e2ac731b61895d3e335cc23ee0c192ec429f



--------------------------------

[ Upstream commit 18759030 ]

Make operating point definitions comply with binding
specifications.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Stable-dep-of: ee70b908 ("ARM: dts: nxp/imx6sll: fix wrong property name in usbphy node")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>