Move LDSCRIPT definitions to board config files.

Recent cleanup actions resulted in a number of config.mk files that
contained only LDSCRIPT definitions.  Move these into th respective
board config files and remove the now empty config.mk files.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
Cc: Detlev Zundel <dzu@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Andre Schwarz <andre.schwarz@matrix-vision.de>
Cc: Peter De Schrijver <p2@mind.be>
Acked-by: Detlev Zundel < dzu@denx.de>
Acked-by: Andre Schwarz <andre.schwarz@matrix-vision.de>
Acked-by: Heiko Schocher<hs@denx.de>
Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
diff --git a/include/configs/ML2.h b/include/configs/ML2.h
index 1e96b9e..4df9f4c 100644
--- a/include/configs/ML2.h
+++ b/include/configs/ML2.h
@@ -31,6 +31,7 @@
 #define CONFIG_ML2	1	/* ...on a ML2 board	*/
 
 #define	CONFIG_SYS_TEXT_BASE	0x18000000
+#define CONFIG_SYS_LDSCRIPT	"board/ml2/u-boot.lds"
 
 #define CONFIG_ENV_IS_IN_FLASH     1