ARM: dts: sa2150p: revert cv2x config from default dt

This is the default data tree for sa2150 ccard.
Move the cv2x configuration to specific dt.

Change-Id: I497dda8b93b13faa169f004d6cb5530c1bdfc003
Acked-by: Ning Cai <ncai@qti.qualcomm.com>
Signed-off-by: Sunil Paidimarri <hisunil@codeaurora.org>