Scout: update fan_rpm
Scout: update fan_rpm

fan_rpm:
rpm_min = 2400
rpm_start = 2400
rpm_max = 5300

BUG=b:195602767, b:210821390
BRANCH=puff
TEST=thermal test pass

Signed-off-by: Sue Chen <7d23cdcf270f71747b77aeecc793a9342f6d5c9e@quanta.corp-partner.google.com>
Change-Id: I7e46a08e2ad4ef0c759e3dfedb516246774967e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3367716
Reviewed-by: Joe Tessler <11e929ab785f0504fbabf06c6e8419cdca78e3be@chromium.org>

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