arm64: dts: qcom: sc8280xp-crd: Fix naming of regulators

The external regulators in the CRD seems to have inherited their names
from the X13s DeviceTree, correct them.

Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230620203915.141337-2-quic_bjorande@quicinc.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>