define interface pins

Change-Id: I2d22c6ddadacba683914f2d83db5b7296b57097d
remove scheduling conflicts

Change-Id: I10873d0529cfe4de26bb2cc074b85c81ce371666
remove interface XADC from PortalTop

Change-Id: If990a754f1e13e701bba463d20600bad78767c23