ppc: Remove T4160RDB board

This board has not been converted to CONFIG_DM_PCI by the deadline and is
also missing conversion to CONFIG_DM.  Remove it.  As this is the last
ARCH_T4160 platform, remove that support as well.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/freescale/t4rdb/Kconfig b/board/freescale/t4rdb/Kconfig
index a94a57e..542e574 100644
--- a/board/freescale/t4rdb/Kconfig
+++ b/board/freescale/t4rdb/Kconfig
@@ -1,4 +1,4 @@
-if TARGET_T4160RDB || TARGET_T4240RDB
+if TARGET_T4240RDB
 
 config SYS_BOARD
 	default "t4rdb"
diff --git a/board/freescale/t4rdb/MAINTAINERS b/board/freescale/t4rdb/MAINTAINERS
index 7380408..844a152 100644
--- a/board/freescale/t4rdb/MAINTAINERS
+++ b/board/freescale/t4rdb/MAINTAINERS
@@ -3,6 +3,5 @@
 S:	Maintained
 F:	board/freescale/t4rdb/
 F:	include/configs/T4240RDB.h
-F:	configs/T4160RDB_defconfig
 F:	configs/T4240RDB_defconfig
 F:	configs/T4240RDB_SDCARD_defconfig
diff --git a/board/freescale/t4rdb/Makefile b/board/freescale/t4rdb/Makefile
index 209983a..f1fd623 100644
--- a/board/freescale/t4rdb/Makefile
+++ b/board/freescale/t4rdb/Makefile
@@ -7,7 +7,6 @@
 ifdef CONFIG_SPL_BUILD
 obj-y	+= spl.o
 else
-obj-$(CONFIG_TARGET_T4160RDB)	+= t4240rdb.o
 obj-$(CONFIG_TARGET_T4240RDB)	+= t4240rdb.o
 obj-y			+= cpld.o
 obj-y			+= eth.o