defconfig: msm8994: Enable BCL peripheral driver

Enable the BCL peripheral monitoring driver for MSM8994.

MSM8994 has the PMI8994 PMIC, which supports the BCL
peripheral hardware for monitoring battery current and
voltage.

Change-Id: Ib587d58e54a6f767bcd7405aa65caa88fceb0dd4
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>