iommu/amd: Rearrange DTE bit definations

Rearrage according to 64bit word they are in.

Note that I have not rearranged gcr3 related macros even though
they belong to different 64bit word as its easy to read it in
current format.

No functional changes intended.

Suggested-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Link: https://lore.kernel.org/r/20230619131908.5887-1-vasant.hegde@amd.com


Signed-off-by: Joerg Roedel <jroedel@suse.de>