chore: add fdt dependencies to poetry

The FDT python dependency is needed for the script:
`sp_mk_generator.py'.

It is used to obtain information from DT files.

Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: Id98b93f8ab77d4864dd392fdb70bfd932b78c246
diff --git a/poetry.lock b/poetry.lock
index 341a2bd..d05e199 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -281,6 +281,17 @@
 ]
 
 [[package]]
+name = "fdt"
+version = "0.3.3"
+description = "Flattened Device Tree Python Module"
+optional = false
+python-versions = ">=3.5"
+files = [
+    {file = "fdt-0.3.3-py3-none-any.whl", hash = "sha256:6b2fae2e8dfa38e9b0f9666aa001dd25be74e893d293a8d60001438f732e9e47"},
+    {file = "fdt-0.3.3.tar.gz", hash = "sha256:81a215930fef2ab8894913c4f474105bb53e14f07129fe07cb6eff2d5fdf26d2"},
+]
+
+[[package]]
 name = "filelock"
 version = "3.16.0"
 description = "A platform independent file lock."
@@ -540,7 +551,7 @@
 [[package]]
 name = "memory"
 version = "0.1.0"
-description = "A tool for analysis of "
+description = "A tool for analysis of static memory consumption by TF-A images"
 optional = false
 python-versions = "^3.8.0"
 files = []
@@ -1331,4 +1342,4 @@
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "7574eee0a05db1d9631bb29288abfc806810906a66e087a5a32e6e3920eb4bba"
+content-hash = "c78729d7072714d77b4a69d6aabccab35dcf0548f08aa440ff178bc7bf2824be"
diff --git a/pyproject.toml b/pyproject.toml
index 55f3f2a..88c4753 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,3 +25,4 @@
 
 [tool.poetry.group.ci.dependencies]
 click = "^8.1.3"
+fdt = "^0.3.0"