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/t104xrdb/t1040_spi_rcw.cfg b/board/freescale/t104xrdb/t1040_spi_rcw.cfg
new file mode 100644
index 0000000..fccde5e
--- /dev/null
+++ b/board/freescale/t104xrdb/t1040_spi_rcw.cfg
@@ -0,0 +1,7 @@
+#PBL preamble and RCW header
+aa55aa55 010e0100
+# serdes protocol 0x66
+0c18000e 0e000000 00000000 00000000
+66000002 80000002 58106000 01000000
+00000000 00000000 00000000 00032810
+00000000 0342500f 00000000 00000000