ARM: dts: msm: Change ESR discharging timers for pm660 on sdm670

As per the hardware recommendation, update the ESR discharging
timer configuration for pm660 FG used on sdm670 platforms.

CRs-Fixed: 2164539
Change-Id: Ic7f44c062ed1f25ed366f859ae1f29ab330136d9
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>