build: Add deps for ubuntu 20.10

Type: make

Ubuntu Groovy Gorilla (20.10) has bumped its FFI library.
Move from v6 to v8.

Signed-off-by: Pim van Pelt <pim@ipng.nl>
Change-Id: I32bc2905ad9ed6918446020accee2a4c2ca9d4b5
diff --git a/Makefile b/Makefile
index 1f37a7c..e2e90b8 100644
--- a/Makefile
+++ b/Makefile
@@ -85,6 +85,12 @@
 	DEB_DEPENDS += libelf-dev # for libbpf (af_xdp)
 	DEB_DEPENDS += clang-format-10
 	LIBFFI=libffi7
+else ifeq ($(OS_VERSION_ID),20.10)
+        DEB_DEPENDS += python3-virtualenv
+        DEB_DEPENDS += libssl-dev
+        DEB_DEPENDS += libelf-dev # for libbpf (af_xdp)
+        DEB_DEPENDS += clang-format-10
+        LIBFFI=libffi8ubuntu1
 else ifeq ($(OS_ID)-$(OS_VERSION_ID),debian-9)
 	DEB_DEPENDS += libssl1.0-dev
 	DEB_DEPENDS += python-all python-pip