ARM: dts: msm: change secure CB address for qcedev device

Change the address of the secure CB to start from 0xA0000000.
So that we can look at the address and see if its secure or not.

Change-Id: I8abf95eacc284ac3a58de06d651da60a02897cc5
Signed-off-by: Zhen Kong <zkong@codeaurora.org>