updates test to work with new build system

test/threadx/generate_trap_file.sh

@@ -12,7 +12,7 @@ tmp1="${dst}.tmp1"
 
 line=$(grep -n -F "$extern_anchor" "$src" | head -n 1 | cut -d: -f1)
 if [ -z "$line" ]; then
-    echo "failed to find _tx_timer_interrupt declaration anchor in trap source" >&2
+    echo "failed to find _tx_timer_interrupt declaration anchor in input source" >&2
     exit 1
 fi
 sed "${line}a\\
@@ -20,7 +20,7 @@ void test_interrupt_dispatch(void) __attribute__((weak));\nvoid test_interrupt_d
 
 line=$(grep -n -F "$call_anchor" "$tmp1" | head -n 1 | cut -d: -f1)
 if [ -z "$line" ]; then
-    echo "failed to find _tx_timer_interrupt call anchor in trap source" >&2
+    echo "failed to find _tx_timer_interrupt call anchor in input source" >&2
     rm -f "$tmp1"
     exit 1
 fi