1 Add flash nodes for cameras, define gpios-shared for sharing flash gpio among multiple camera nodes. Gpio sharing
among nodes allows each camera to have its own unique flash node.
Enable PM6125 PWM and add a driver node that will control its state.
Cleanup function prototypes for SM5038 drivers. Because some prototypes do not correspond to the definition.
1 Add flash nodes for cameras, define gpios-shared for sharing flash gpio among multiple camera nodes. Gpio sharing among nodes allows each camera to have its own unique flash node.