firmware: p2454-uc and p2560-uc update

firmware: p2454-uc and p2560-uc update

P2454
v30 change to make revision readable

P2560
v37->v38
- Bump revsion to v0_38.
- Change PID o 7203.
- change minimum PWM% to 4%.
- improve LED breathing jitter when sending wakeup pulse in active and suspend
  mode.
- add LED control Feed Forward Table method to adjust the LED smoothness and
  cycling time.
- adjust LED breathing behavior according to POR
- NAK 1 second code is still activiated.

Bug 1266521

Change-Id: I3514da906d1baf9d7ed159f92d1fc82c0e1796f1
Signed-off-by: Anshul Jain <anshulj@nvidia.com>
Reviewed-on: http://git-master/r/222692
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit