lacie_kw: fix SDRAM banks number for net2big_v2

Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>

include/configs/lacie_kw.h

@@ -66,11 +66,7 @@
 /*
  * SDRAM configuration
  */
-#if defined(CONFIG_NET2BIG_V2)
-#define CONFIG_NR_DRAM_BANKS		2
-#else
 #define CONFIG_NR_DRAM_BANKS		1
-#endif
 
 #ifdef CONFIG_INETSPACE_V2
 /* Different SDRAM configuration and size for Internet Space v2 */