mx23: config: Enable mxsboot tool for i.MX23 based boards

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/tools/Makefile b/tools/Makefile
index 686840a..c5952fc 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -69,6 +69,7 @@
 BIN_FILES-y += mkenvimage$(SFX)
 BIN_FILES-y += mkimage$(SFX)
 BIN_FILES-$(CONFIG_SMDK5250) += mksmdk5250spl$(SFX)
+BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX)
 BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX)
 BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
 BIN_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX)
@@ -98,6 +99,7 @@
 NOPED_OBJ_FILES-y += mkenvimage.o
 NOPED_OBJ_FILES-y += mkimage.o
 OBJ_FILES-$(CONFIG_SMDK5250) += mkexynosspl.o
+OBJ_FILES-$(CONFIG_MX23) += mxsboot.o
 OBJ_FILES-$(CONFIG_MX28) += mxsboot.o
 OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o
 NOPED_OBJ_FILES-y += os_support.o