projects: add iproute2 project

Add iproute2 project. Pretty standard C project and versioning is as we
like it to be. Almost nothing to be done.

https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/
https://en.wikipedia.org/wiki/Iproute2
https://wiki.linuxfoundation.org/networking/iproute2

Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>

elixir/filters/projects.py

@@ -78,6 +78,10 @@ project_filters = {
         *common_kconfig_filters,
         *common_makefile_filters,
     ],
+    'iproute2': [
+        *default_filters,
+        *common_makefile_filters,
+    ],
     'linux': [
         *default_filters,
         DtsiFilter,

utils/index

@@ -141,6 +141,7 @@ add_default_remotes $1 $# $2 linux https://git.kernel.org/pub/scm/linux/kernel/g
 add_default_remotes $1 $# $2 xen https://xenbits.xen.org/git-http/xen.git
 add_default_remotes $1 $# $2 freebsd https://git.freebsd.org/src.git
 add_default_remotes $1 $# $2 opensbi https://github.com/riscv-software-src/opensbi
+add_default_remotes $1 $# $2 iproute2 https://git.kernel.org/pub/scm/network/iproute2/iproute2.git
 
 # Index a single project
 if test "x$2" != "x--all"; then