iommu/amd: Fix error path in amd_iommu_probe_device()

iommu/amd: Fix error path in amd_iommu_probe_device()

Currently, the error path of amd_iommu_probe_device() unconditionally
references dev_data, which may not be initialized if an early failure
occurs (like iommu_init_device() fails).

Move the out_err label to ensure the function exits immediately on
failure without accessing potentially uninitialized dev_data.

Fixes: 19e5cc156cb ("iommu/amd: Enable support for up to 2K interrupts per function")
Cc: Rakuram Eswaran <rakuram.e96@gmail.com>
Cc: Jörg Rödel <joro@8bytes.org>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202512191724.meqJENXe-lkp@intel.com/
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>