Break out the utlb parsing code and dev_data allocation into a
separate function. This is preparation for future code sharing.
Signed-off-by: NMagnus Damm <damm+renesas@opensource.se>
Reviewed-by: NJoerg Roedel <jroedel@suse.de>
Signed-off-by: NJoerg Roedel <jroedel@suse.de>