tstsmallmem: Exclude exit03 and tftpfs

spec/build/bsps/tstsmallmem.yml

@@ -1,6 +1,7 @@
 SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
 actions:
 - set-test-state:
+    exit03: exclude
     flashdisk01: exclude
     fsdosfsname01: exclude
     linpack: exclude
@@ -10,6 +11,7 @@ actions:
     record02: exclude
     sp47: exclude
     spstkalloc02: exclude
+    tftpfs: exclude
     terminate: exclude
     unit-no-clock-0: exclude
     userext: exclude