Fizz: Restore BJ current and voltage after sysjump
Fizz: Restore BJ current and voltage after sysjump

This patch makes EC save the max current and voltage of a barrel jack
adapter before sysjump and restore them after sysjump.

BUG=b:64442692
BRANCH=none
TEST=Boot Fizz and let coreboot set the adapter current and voltage.
Verify EC-RW inherits the current and voltage set by coreboot.

Change-Id: Ib1addf6e5ce059a39cb2d8b355515df1138409eb
Signed-off-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/835628
Reviewed-by: Vincent Palatin <70a9964ec8fd10b0b08fcc8623c2add25ddf99ac@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec