board/freescale: Remove invalid fsl email addresses

These fsl email addresses are no longer valid and they do not have a
correspondent nxp.com entry.

Remove all invalid fsl email addresses and mark the boards as orphan.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/board/freescale/mpc8323erdb/MAINTAINERS b/board/freescale/mpc8323erdb/MAINTAINERS
index 05057c0..496ab2a 100644
--- a/board/freescale/mpc8323erdb/MAINTAINERS
+++ b/board/freescale/mpc8323erdb/MAINTAINERS
@@ -1,6 +1,6 @@
 MPC8323ERDB BOARD
-M:	Michael Barkowski <michael.barkowski@freescale.com>
-S:	Maintained
+#M:	Michael Barkowski <michael.barkowski@freescale.com>
+S:	Orphan (since 2018-05)
 F:	board/freescale/mpc8323erdb/
 F:	include/configs/MPC8323ERDB.h
 F:	configs/MPC8323ERDB_defconfig