firmware: p2560-uc update v52

v51->v52
- Bump revsion to v0_52.
- All Joystick Wakeup out of Suspend Tuning changes:
-   Added a ADC Channel Synchronizer so as to make the Left and right joystick axes has a higher suspend mid point value.
      This helps the sensitivity when moving the POT towards the GND node.
-   Because of the ADC channels Sychronizer the Left and Right Analog triggers needed more Threshold tuning:
        now Left Analog Trigger threshold is < 100 (was 150) and Right Analog Trigger Threshold is > 350 (was 375)
        This helped move the wakeup trigger point more away from the ends.
- For the Left and Right Joysticks; we added two Thresholds wakeup methods:
      1) the original dADC/dt with a delta threshold of 80. same as v46.
      2) a "Measured" suspend MID-point min and max threshold.
            This helps wake up when user move joystick slowly to one side or the other.
              Measured absolute Thresholds are set to suspend mid point- 150 and + 150.
              If suspend mid-point is too low then we will default to a low threhold of 85.

v46->v51
- Bump revsion to v0_51. This has everything that v46 has.
- Has joystick wakeup and Left and Right Analog trigger wake up.
- Analog triggers use a fixed absolute threshold: Left is set to < 150 and Right is set to > 375
- The Left and Right Joysticks still are using dADC/dt methodolgy with a threshold of 80.
    However, it can be a little difficult to wake up using these. Especally if the using moves towards GND side of the POT.

Bug 1266521

Change-Id: I2322d0265fac69314368d025656e3fef8d3be414
Signed-off-by: Anshul Jain <anshulj@nvidia.com>
(cherry picked from commit 9d0f6ae86de61f3360932b1598e8da18b0fe7404)
Reviewed-on: http://git-master/r/229465
(cherry picked from commit b5807e7f8414aac1763d66f811c70b817d7cdb28)
Reviewed-on: http://git-master/r/246787
Reviewed-by: Jun Yan <juyan@nvidia.com>
Tested-by: Jun Yan <juyan@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>

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