power: qpnp-fg: enable CC_SOC_REG based capacity learning for pmi8996 v1.x

Currently, CC_SOC_REG based capacity learning is enabled only
for pmi8996 v2.0 and above. This is incorrect as it should be
enabled on v1.x chips as well. Fix it.

CRs-Fixed: 1034236
Change-Id: I0c0178b59eb1647013f3dcbda92dee5d608a5834
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>