power: fg-alg: Enable min/max SOC checks for weighted-CL

Always enable min/max SOC checks to start capacity learning.
QG requires a min-SOC value to start weighted capacity
learning.

Change-Id: I9b07e5fb32f4bfc814337224bf41d44043603749
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>