ISPIF changes on 8974 to include VFE interface. Pass VFE interface from user space ISPIF module and configure accordingly. Add support to configure extra PIX and RDI interfaces. Change-Id: Idb840fa3d1ef2d1a7242fc2175b8fa64f75aa14b Signed-off-by: Sreesudhan Ramakrish Ramkumar <srramku@codeaurora.org>