AMD fam10: Link southbridge/amd/rs780/early_setup.c

Removes rs780_before_pci_init() since it was a no-op anyway.

Removes get_nb_rev() since this function is provided via a macro in
the header.

This Makes a lot of function non-static since the header has
prototypes for these.

Change-Id: I8933516771d959583bbd59a5c1beee3e30a7004f
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/20297
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
18 files changed