davinci: omapl138_lck: remove obsolete define

NAND_MAX_CHIPS is not used anymore and has been replaced by
CONFIG_SYS_MAX_NAND_DEVICE. There is no need to keep the former
define.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

include/configs/omapl138_lcdk.h

@@ -172,7 +172,6 @@
 #define CONFIG_SYS_NAND_MASK_ALE	0x8
 #undef CONFIG_SYS_NAND_HW_ECC
 #define CONFIG_SYS_MAX_NAND_DEVICE	1 /* Max number of NAND devices */
-#define NAND_MAX_CHIPS			1
 #endif
 
 #ifdef CONFIG_SYS_USE_NOR