MAINTAINERS: add two devices to the e500 section

Cc: Alexander Graf <agraf@suse.de>
Cc: Scott Wood <scottwood@freescale.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

MAINTAINERS

@@ -726,6 +726,8 @@ M: Scott Wood <scottwood@freescale.com>
 L: qemu-ppc@nongnu.org
 S: Supported
 F: hw/ppc/e500*
+F: hw/pci-host/ppce500.c
+F: hw/net/fsl_etsec/
 
 Character devices
 M: Paolo Bonzini <pbonzini@redhat.com>