AGESA fam15tn fam16kb 00730f01: Add common agesa_readSpd()

Remove northbridge specific callouts for AGESA_READ_SPD.

Move low-level SMBus code to southbridge.

Change-Id: I3e272389e2a7db542fb48fca8606325af27b65a5
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7112
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c b/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c
index adfa4e4..ad3f041 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c
@@ -33,8 +33,8 @@
 	{AGESA_ALLOCATE_BUFFER,          agesa_AllocateBuffer },
 	{AGESA_DEALLOCATE_BUFFER,        agesa_DeallocateBuffer },
 	{AGESA_LOCATE_BUFFER,            agesa_LocateBuffer },
-	{AGESA_READ_SPD,                 fam15tn_ReadSpd },
 	{AGESA_DO_RESET,                 agesa_Reset },
+	{AGESA_READ_SPD,                 agesa_ReadSpd },
 	{AGESA_READ_SPD_RECOVERY,        agesa_NoopUnsupported },
 	{AGESA_RUNFUNC_ONAP,             agesa_RunFuncOnAp },
 	{AGESA_GET_IDS_INIT_DATA,        agesa_EmptyIdsInitData },