powerpc: SECURE BOOT- Add secure boot target for T1042RDB

Secure boot target is added for T1042RDB platform.

Signed-off-by: Gaurav Rana <gaurav.rana@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/t104xrdb/MAINTAINERS b/board/freescale/t104xrdb/MAINTAINERS
index b61e1c0..13d9be9 100644
--- a/board/freescale/t104xrdb/MAINTAINERS
+++ b/board/freescale/t104xrdb/MAINTAINERS
@@ -21,3 +21,4 @@
 M:	Aneesh Bansal  <aneesh.bansal@freescale.com>
 S:	Maintained
 F:	configs/T1040RDB_SECURE_BOOT_defconfig
+F:	configs/T1042RDB_SECURE_BOOT_defconfig