firewire: Install firewire-constants.h and firewire-cdev.h for userspace.

This just adds them to include/linux/Kbuild using header-y.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

include/linux/Kbuild

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index e101315..f317c27 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -62,6 +62,8 @@
 header-y += fd.h
 header-y += fdreg.h
 header-y += fib_rules.h
+header-y += firewire-cdev.h
+header-y += firewire-constants.h
 header-y += fuse.h
 header-y += genetlink.h
 header-y += gen_stats.h