soc/amd: Move stoneyridge features out of agesawrapper

The AGESA wrapper should not use and CONFIG_STONEY* values, nor should
it make any assumptions about the capabilities of a particular device.
Move these into stoneyridge northbridge and southbridge files.

BUG=b:70670425
TEST=Build and run Kahlee

Change-Id: I706edbb6a048b64389ba3077d5df0fe6155070b3
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/22886
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/amd/stoneyridge/northbridge.c

@@ -30,9 +30,11 @@
 #include <device/pci_ids.h>
 #include <amdblocks/agesawrapper.h>
 #include <amdblocks/agesawrapper_call.h>
+#include <agesa_headers.h>
 #include <soc/northbridge.h>
 #include <soc/southbridge.h>
 #include <soc/pci_devs.h>
+#include <soc/iomap.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ -556,3 +558,15 @@ u32 map_oprom_vendev(u32 vendev)
 
 	return new_vendev;
 }
+
+void SetNbEnvParams(GNB_ENV_CONFIGURATION *params)
+{
+	params->IommuSupport = FALSE;
+}
+
+void SetNbMidParams(GNB_MID_CONFIGURATION *params)
+{
+	/* 0=Primary and decode all VGA resources, 1=Secondary - decode none */
+	params->iGpuVgaMode = 0;
+	params->GnbIoapicAddress = IO_APIC2_ADDR;
+}