Txxx/RCW: Split unified RCW to RCWs for sd, spi and nand.

T series boards use unified RCW for sd, spi and nand boot.
Now split txxx_rcw.cfg to txxx_sd_rcw.cfg, txxx_spi_rcw.cfg
and txxx_nand_rcw.cfg for SPI/NAND/SD boot.
And modify RCW[PBI_SRC] for them:
	PBI_SRC=5            for SPI 24-bit addressing
	PBI_SRC=6            for SD boot
	PBI_SRC=14           for IFC NAND boot

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/t102xrdb/t1024_sd_rcw.cfg b/board/freescale/t102xrdb/t1024_sd_rcw.cfg
new file mode 100644
index 0000000..05b3f37
--- /dev/null
+++ b/board/freescale/t102xrdb/t1024_sd_rcw.cfg
@@ -0,0 +1,8 @@
+#PBL preamble and RCW header for T1024RDB
+aa55aa55 010e0100
+#SerDes Protocol: 0x95
+#Core/DDR: 1400Mhz/1600MT/s with single source clock
+0810000c 00000000 00000000 00000000
+4a800003 80000012 6c027000 21000000
+00000000 00000000 00000000 00030810
+00000000 0b005a08 00000000 00000006