Partial Revert of "8660: Various changes"

Reverting the changes to board files

This was the root cause of bootlooping with some docks that also had MHL

Partial revert of commit 2dfd97cdbcc4e2424870581995f2ec1874ef6642.

Change-Id: Ibb90cdbe5999d671598547dadb1047b4d0354d3d
Revert "shooter/pyramid: Disable MHL since it doesn't work currently."

No longer needed to fix charging dock issue, see below commit

This reverts commit 6dcf38ed63ee16406ecbbeb2c9f8418e1e44d451.

Change-Id: Ie22501d3a38a15dcdc0424b21a945dfd0a556765