MAINTAINERS: PPC: add a XIVE section

Signed-off-by: NCédric Le Goater <clg@kaod.org>
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>

MAINTAINERS

@@ -1011,6 +1011,14 @@ F: tests/libqos/*spapr*
 F: tests/rtas*
 F: tests/libqos/rtas*
 
+XIVE
+M: David Gibson <david@gibson.dropbear.id.au>
+M: Cédric Le Goater <clg@kaod.org>
+L: qemu-ppc@nongnu.org
+S: Supported
+F: hw/*/*xive*
+F: include/hw/*/*xive*
+
 virtex_ml507
 M: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 L: qemu-ppc@nongnu.org