usb: phy: tegra: Add CDP charger detection

usb: phy: tegra: Add CDP charger detection

Add CDP charger detection code and reset
the charger before doing QC2.0 charger detection
to handle misc cases.

Bug 1424733
Bug 1458999

Change-Id: Ibf07d1f9416f8cfefe808129babef2e590bd8150
Reviewed-on: http://git-master/r/384597
Reviewed-on: http://git-master/r/396041
(cherry picked from commit 35be4ca44e5c4e16619e2b7a6b186d2bb2b94b78)
(cherry picked from commit 0c4b2de8640ebb0a8bf5d2477afc6aab043cce24)
Signed-off-by: Rakesh Bodla <rbodla@nvidia.com>
Signed-off-by: Philip Rakity <prakity@nvidia.com>
Reviewed-on: http://git-master/r/401888
GVS: Gerrit_Virtual_Submit
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>