Add base TUIVM and OEMVM device tree support for Sun RUMI platform. Change-Id: I32598ce2c3488658e2c9caf0cd7a2368665c0b06 Signed-off-by: Meena Pasumarthi <quic_pasumart@quicinc.com> Signed-off-by: Sahitya Tummala <quic_stummala@quicinc.com>