corsola: reserve input current margin
corsola: reserve input current margin

The adapter output current exceeds the spec of the adapter,
such as 20V 3.25A adapter will output 3.273A when system is
heavy-load. We add a margin 4% in case of charger overdraw.

BUG=b:257167723
TEST=scope the output current
BRANCH=corsola

Change-Id: I6fba906d88a6de8efd2b5d09fead9ba5bd1ea796
Signed-off-by: wen zhang <8717331d0b247e00f80e6ce2b21e839bc7c51990@huaqin.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3999463
Reviewed-by: Mike Lee <255a368def86bc53ab15e64f578878686d4eb313@huaqin.corp-partner.google.com>
Code-Coverage: Ting Shen <c671d3efec3d7e7e285f3788bf0d1ba4c8605b78@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