bionic-amd64-tf-m-build: Install tuxsuite

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I72a7fd52aeb7341f4679ef8588ae3e0031ba007f
diff --git a/bionic-amd64-tf-m-build/requirements_python3.txt b/bionic-amd64-tf-m-build/requirements_python3.txt
index f53fdc3..073dcbc 100755
--- a/bionic-amd64-tf-m-build/requirements_python3.txt
+++ b/bionic-amd64-tf-m-build/requirements_python3.txt
@@ -18,3 +18,4 @@
 pyhsslms~=2.0.0
 kconfiglib==14.1.0
 networkx==2.5.1
+tuxsuite==1.38.2