focal-amd64-hafnium: adding libncurses5 dependency

Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: I5fede5c85c11a0e93acc53e5d3e2c4cf8dd950cf
diff --git a/focal-amd64-hafnium/Dockerfile b/focal-amd64-hafnium/Dockerfile
index 5581fe8..e4fc3fb 100644
--- a/focal-amd64-hafnium/Dockerfile
+++ b/focal-amd64-hafnium/Dockerfile
@@ -27,6 +27,7 @@
     wget \
     device-tree-compiler \
     ninja-build \
+    libncurses5 \
 "
 
 # Can be overriden at build time