Merge changes from topic "h616_pmics" into integration

* changes:
  feat(allwinner): adjust H616 L2 cache size in DTB
  feat(allwinner): h616: add support for AXP717 PMIC
  feat(allwinner): h616: add support for AXP313 PMIC
  feat(allwinner): h616: add I2C PMIC support
  refactor(allwinner): h616: prepare for more than one PMIC model