reachable: Change ownership to Amazon

Amazon is going to use the reachable framework to fix some connection
bugs in the TCP BTL, so claim support  ownership of the weighted and
netlink components.

Signed-off-by: Brian Barrett <bbarrett@amazon.com>

opal/mca/reachable/base/owner.txt

@@ -3,5 +3,5 @@
 # owner: institution that is responsible for this package
 # status: e.g. active, maintenance, unmaintained
 #
-owner: INTEL
-status: unmaintained
+owner: AMAZON
+status: active

opal/mca/reachable/netlink/owner.txt

@@ -3,5 +3,5 @@
 # owner: institution that is responsible for this package
 # status: e.g. active, maintenance, unmaintained
 #
-owner: INTEL
-status: unmaintained
+owner: AMAZON
+status: active

opal/mca/reachable/weighted/owner.txt

@@ -3,5 +3,5 @@
 # owner: institution that is responsible for this package
 # status: e.g. active, maintenance, unmaintained
 #
-owner: INTEL
-status: unmaintained
+owner: AMAZON
+status: active