ddr3 spd: move accessor code into lib/spd_bin.c

It's an attempt to consolidate the access code, even if there are still
multiple implementations in the code.

Change-Id: I4b2b9cbc24a445f8fa4e0148f52fd15950535240
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/18265
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/bap/ode_e21XX/BiosCallOuts.c

@@ -25,7 +25,7 @@
 #endif
 #include "hudson.h"
 #include <stdlib.h>
-#include <spd_cache.h>
+#include <spd_bin.h>
 
 static AGESA_STATUS Fch_Oem_config(UINT32 Func, UINT32 FchData, VOID *ConfigPtr);
 static AGESA_STATUS board_ReadSpd_from_cbfs(UINT32 Func, UINTN Data, VOID *ConfigPtr);