Flapjack: Clean up charger_profile_override
Flapjack: Clean up charger_profile_override

This patch cleans up charger_profile_override to improve readability.
There is no functionality change.

Signed-off-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>

BUG=none
BRANCH=none
TEST=make BOARD=flapjack

Change-Id: Ifa5d216026a480da1da66dbb0204dfac8f1efff1
Reviewed-on: https://chromium-review.googlesource.com/1593751
Commit-Ready: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Tested-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Reviewed-by: YH Lin <a608809fda0b3a5e5ffc78f5b79106a21e96e6dd@chromium.org>

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