northbridge/amd/pi: Correct the path to an #include

Change-Id: Ibf0bd494b2022272cb2d5c4ddb1bdf82ea70ca50
Signed-off-by: Dave Frodin <dave.frodin@se-eng.com>
Reviewed-on: http://review.coreboot.org/8250
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>

src/northbridge/amd/pi/00730F01/dimmSpd.c

@@ -26,7 +26,7 @@
 #include "amdlib.h"
 #include "chip.h"
 
-#include "northbridge/amd/agesa/dimmSpd.h"
+#include "northbridge/amd/pi/dimmSpd.h"
 
 #define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))