ARM: dts: msm: Add qcom,cmd_db_name property for WLAN in Kona

qcom,cmd_db_name properties is used to indicate which PMIC rail used
as command DB for open loop CPR feature. Add it for WLAN based on
different Kona platforms. Also add the override node for other Kona
based platforms.

Change-Id: I548b5312ebac3e04536c70d4a91014aab6749a10