Currently single qup_iommu_region is getting created,
leading to DMA RX inactivate.
So update node name for qup_iommu_region0 and qup_iommu_region1.
Change-Id: Id1355c98a07f912e6275ac3c2fb7504ae9f22f53
Signed-off-by: Swetha Chikkaboraiah <quic_schikk@quicinc.com>