Add binding doc and driver.

DTS part wait for
https://lore.kernel.org/imx/Z04W5chGq5TitB9f@lizhi-Precision-Tower-5810/

Signed-off-by: Frank Li <Frank.Li@nxp.com>
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Joy Zou (2):
      regulator: dt-bindings: pf9453: add new PMIC PF9453 support
      regulator: pf9453: add PMIC PF9453 support

 .../bindings/regulator/nxp,pf9453-regulator.yaml   | 158 +++++
 drivers/regulator/Kconfig                          |   7 +
 drivers/regulator/Makefile                         |   1 +
 drivers/regulator/pf9453-regulator.c               | 723 +++++++++++++++++++++
 drivers/regulator/pf9453.h                         | 171 +++++
 5 files changed, 1060 insertions(+)
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base-commit: 0410a58d54385475b67ae7fd2d705072569f0299
change-id: 20241205-pf9453-90e8dbda562a

Best regards,
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Frank Li <Frank.Li@nxp.com>