ARM: dts: msm: Re-enable fcc stepping for Kona MTP and QRD

FCC Stepping was disabled while issues with the VBATT topology of dual
SMB1390s were being fixed. Re-enable it now.

This reverts commit cce1e0ad.

Change-Id: I895d79ca8a5eedc5d0b8b07ae956d95a55206497