MAINTAINERS: Add docs/devel/ebpf_rss.rst to the EBPF section

This doc file obviously belongs to the EBPF section.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

MAINTAINERS

@@ -3940,6 +3940,7 @@ M: Jason Wang <jasowang@redhat.com>
 R: Andrew Melnychenko <andrew@daynix.com>
 R: Yuri Benditovich <yuri.benditovich@daynix.com>
 S: Maintained
+F: docs/devel/ebpf_rss.rst
 F: ebpf/*
 F: tools/ebpf/*