mainboard/*/romstage.c: Fix 'lib/delay.c' inclusion

Use 'delay.h' header rather than directly including 'delay.c'
source. N.B. Some amdfam10 and K8 boards are not included in
this changeset since unrelated issues are woven in there.

Change-Id: Ibc0c0e560d8eedaf5c3150f95ba72fe5dd8d6f3a
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/8086
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/mainboard/ibm/e325/romstage.c

@@ -10,7 +10,7 @@
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "southbridge/amd/amd8111/early_smbus.c"
 #include <northbridge/amd/amdk8/raminit.h>
-#include "lib/delay.c"
+#include <delay.h>
 #include "northbridge/amd/amdk8/reset_test.c"
 #include "northbridge/amd/amdk8/debug.c"
 #include <superio/nsc/pc87366/pc87366.h>

src/mainboard/ibm/e326/romstage.c

@@ -10,7 +10,7 @@
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "southbridge/amd/amd8111/early_smbus.c"
 #include <northbridge/amd/amdk8/raminit.h>
-#include "lib/delay.c"
+#include <delay.h>
 #include "northbridge/amd/amdk8/reset_test.c"
 #include "northbridge/amd/amdk8/debug.c"
 #include <superio/nsc/pc87366/pc87366.h>