Revert "arm64: dts: adapt to LP855X bindings changes"

commit 'ebdcfc8c ("arm64: dts: adapt to LP855X bindings changes")'
is a Tegra change, but was accidentally merged in the Qualcomm tree. The
change is reverted to avoid rebasing a large number of other changes.

This reverts commit ebdcfc8c.

Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>