ARM: dts: msm: Disable sdcard on cdp & eMMC on mbb platform

Disable sdcard on cdp & emmc on mtp mbb platform as mbb platform
doesn't support eMMC. We would enable sdcard and eMMC separately
on different platform specific dt file.

Change-Id: Ife9ca9b5512a8bf0cb1f9de7dd40a80c6d168506