Change the access mode of the function getBus

GetBus function provides the same instance of the
bus application in the process.

Now there is a need where we need the same bus instance
at multiple places.

Remove the friend loop, now it is not needed as we have
changed the scope of getBus.

Change-Id: I7e8cda45f3835b1d93be36f317741bc4ae6951a2
Signed-off-by: Ratan Gupta <ratagupt@in.ibm.com>
1 file changed