DEVELOPERS: Add myself as rpcbind maintainer

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 54edfa0c92eefef14712e6739823ae13d745f709)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -2150,6 +2150,7 @@ F:	package/libtirpc/
 F:	package/linux-backports/
 F:	package/ltp-testsuite/
 F:	package/nfs-utils/
+F:	package/rpcbind/
 F:	support/kconfig/
 
 N:	Phil Eichinger <phil.eichinger@gmail.com>