Move AMD Kconfig and Makefile bits down into the amd directory
with the rest of the AMD specific files.
Signed-off-by: Jerry Snitselaar
Cc: Joerg Roedel
Cc: Suravee Suthikulpanit
Link: https://lore.kernel.org/r/20200630200636.48600-3-jsnitsel@redhat.com
Signed-off-by: Joerg Roedel