southbridge/amd/cimx/sb900: Unused func smbus_delay()

Spotted by Clang

Change-Id: I14c099625db6f38fd0630b8864cf2a702b81d353
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5832
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
southbridge/amd/agesa/hudson: Unused func smbus_delay()

Spotted by Clang

Change-Id: Ic5b04f6f334bc9b1b014a7ada44e9656f7992063
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5847
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>