media: i2c: Add PDAF support for IMX519

commit  642dc9a19adafa282a17ac62888a154976e9752e from
https://github.com/raspberrypi/linux.git

 rpi-6.1.y

Add PDAF support for IMX519, and reduce the pixel rate to 426666667,
link freq to 408000000.

Signed-off-by: Lee Jackson <lee.jackson@arducam.com>
Signed-off-by: Meng Li <Meng.Li@windriver.com>