Krane: correct the default charging current to 3.5A (0.5C)
Krane: correct the default charging current to 3.5A (0.5C)

Correct battery charging current from 2A to 3.5A according to datasheet.

BUG=b:133584769
TEST=make BOARD=kukui/krane, check the charging current in battery info.
BRANCH=none

Change-Id: I5a4a67d078c4b53cdf30ccc99a16498f1978b34e
Signed-off-by: Tony Lin <bc32d25b3ebbb5c837ef109c6dc389bbb91fe029@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1630130
Legacy-Commit-Queue: Commit Bot <5c2bf027dc5cc7ef186314391646e49f6866dc00@chromium.org>
Reviewed-by: Ting Shen <c671d3efec3d7e7e285f3788bf0d1ba4c8605b78@chromium.org>

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