powerpc/T104xD4: Add Secure boot support for T104xD4RDB platforms

defconfig files are added and SFP version for these platforms
is updated.

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 32e044f..7597800 100644
--- a/board/freescale/t104xrdb/MAINTAINERS
+++ b/board/freescale/t104xrdb/MAINTAINERS
@@ -29,4 +29,6 @@
 M:	Aneesh Bansal  <aneesh.bansal@freescale.com>
 S:	Maintained
 F:	configs/T1040RDB_SECURE_BOOT_defconfig
+F:	configs/T1040D4RDB_SECURE_BOOT_defconfig
 F:	configs/T1042RDB_SECURE_BOOT_defconfig
+F:	configs/T1042D4RDB_SECURE_BOOT_defconfig