powerpc/T104xD4RDB: Add T104xD4RDB boards support

T1040D4RDB is a Freescale reference board that hosts the T1040 SoC.
    T1040D4RDB is re-designed T1040RDB board with following changes :
    - Support of DDR4 memory
    - Support of 0x66 serdes protocol which can support following interfaces
        - 2 RGMII's on DTSEC4, DTSEC5
        - 1 SGMII on DTSEC3
    - Support of QE-TDM

    Similarily T1042D4RDB is a Freescale reference board that hosts the T1040
    SoC. T1042D4RDB is re-designed T1042RDB board with following changes :
    - Support of DDR4 memory
    - Support for 0x86 serdes protocol which can support following interfaces
        - 2 RGMII's on DTSEC4, DTSEC5
        - 3 SGMII on DTSEC1, DTSEC2 & DTSEC3
    - Support of DIU

Signed-off-by: Priyanka Jain <Priyanka.Jain@freescale.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@freescale.com>
Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/t104xrdb/t1042d4_rcw.cfg b/board/freescale/t104xrdb/t1042d4_rcw.cfg
new file mode 100644
index 0000000..9e0ee27
--- /dev/null
+++ b/board/freescale/t104xrdb/t1042d4_rcw.cfg
@@ -0,0 +1,7 @@
+#PBL preamble and RCW header
+aa55aa55 010e0100
+# serdes protocol 0x86
+0c18000e 0e000000 00000000 00000000
+86000002 40000002 ec027000 01000000
+00000000 00000000 00000000 00030810
+00000000 0342500f 00000000 00000000