power: qpnp-fg: only enable 100 soc pulse request for PMi8994

PMi8994 had a hardware bug where ESR pulses were not requested when the
battery SOC is 100%. However, this was fixed in later revisions to the
fuel gauge, so this is no longer needed.

CRs-Fixed: 838574
Change-Id: Ia51e6f5d7f1241431af1e4575b156fefb965ce30
Signed-off-by: Xiaozhe Shi <xiaozhes@codeaurora.org>