board/t104xrdb: Add support of CPLD

T1040RDB and T1042RDB_PI has CPLD. Here CPLD controls board mux/features.

This support of CPLD includes
 - files and register defintion
 - Commands to swtich alternate bank and default bank

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/t104xrdb/Makefile b/board/freescale/t104xrdb/Makefile
index e51fb7a..7e7bfb1 100644
--- a/board/freescale/t104xrdb/Makefile
+++ b/board/freescale/t104xrdb/Makefile
@@ -6,6 +6,7 @@
 
 
 obj-y	+= t104xrdb.o
+obj-y	+= cpld.o
 obj-y	+= ddr.o
 obj-y	+= eth.o
 obj-$(CONFIG_PCI)	+= pci.o