Revert "include: missing fastchg header"

This reverts commit ea1796175803800d4597c8153404f753d93fd8d3.
Revert "tegra: add fastcharge"

This reverts commit 31544bb962ed5ed22abe7cbfdbec06344c877a0f.
add Battery Control

Signed-off-by: Willi Ye <williye97@gmail.com>