tc2: update expect script

Updated/added expect script for TC2 platform:
1. Updated SPM expect script to expect only SP logs
2. Added a separate expect script for FIT image logs

Change-Id: I3781b64ba4b409abe72084a61843afb938a05831
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/expect/tc-fitimage-busybox.exp b/expect/tc-fitimage-busybox.exp
new file mode 100644
index 0000000..d401fbd
--- /dev/null
+++ b/expect/tc-fitimage-busybox.exp
@@ -0,0 +1,17 @@
+#
+# Copyright (c) 2024, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+
+source [file join [file dirname [info script]] utils.inc]
+source [file join [file dirname [info script]] handle-arguments.inc]
+
+expect {
+        "buildroot login:" {
+                send "root\n"
+        }
+}
+
+expect_string "#" "Linux Booted successfully"