docs(maintainers): add code owners for runtime exceptions module

This patch adds code owners responsible for maintaining runtime
exceptions and interrupt management modules in TF-A.

Change-Id: Idb131a2af143097e4d05a285e08ef12cd5d3db2a
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
1 file changed