iommu/shmobile: Don't ignore the ipmmu_iommu_init() return value
iommu/shmobile: Don't ignore the ipmmu_iommu_init() return value

The function can fail, don't ignore its error value.

Signed-off-by: Laurent Pinchart <ae960578cc5eca7b9b1dbc37d9caa6cb634f35e0@ideasonboard.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs