util/amdfwtool: Add holding locations for more APCBs

Increase the number of potential APCB images to 5 by adding to the
amd_bios_table.  New instance IDs are from 0 to 4.  The backup APCB
block (type 0x68) still supports only instance ID 0.

Change-Id: Ib70dc6417fecf94549a0c7df36ea42f63331be26
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36120
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/util/amdfwtool/amdfwtool.c b/util/amdfwtool/amdfwtool.c
index 2980622..02564cf 100644
--- a/util/amdfwtool/amdfwtool.c
+++ b/util/amdfwtool/amdfwtool.c
@@ -357,7 +357,11 @@
 };
 
 static amd_bios_entry amd_bios_table[] = {
-	{ .type = AMD_BIOS_APCB, .level = BDT_BOTH },
+	{ .type = AMD_BIOS_APCB, .inst = 0, .level = BDT_BOTH },
+	{ .type = AMD_BIOS_APCB, .inst = 1, .level = BDT_BOTH },
+	{ .type = AMD_BIOS_APCB, .inst = 2, .level = BDT_BOTH },
+	{ .type = AMD_BIOS_APCB, .inst = 3, .level = BDT_BOTH },
+	{ .type = AMD_BIOS_APCB, .inst = 4, .level = BDT_BOTH },
 	{ .type = AMD_BIOS_APCB_BK, .level = BDT_BOTH },
 	{ .type = AMD_BIOS_APOB, .level = BDT_BOTH },
 	{ .type = AMD_BIOS_BIN,