tvafe: fine tune ntsc-m recurrence [1/1]

tvafe: fine tune ntsc-m recurrence [1/1]

PD#TV-6007

Problem:
ATV scan range is not qualified

Solution:
1.change 0x128 from 0x140008 to 0x1f0008 for ntsc-m
2.support cutwindow adjust debug:
    echo h index val >/sys/class/tvafe/tvafe0/cutwin
    echo v index val >/sys/class/tvafe/tvafe0/cutwin
    echo r >/sys/class/tvafe/tvafe0/cutwin
3.support cutwindow config in dts

Verify:
x301

Change-Id: Idc3a3e8857cea2462da6edcbbf4ffefab6d48f7b
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>