DaVinci DM6446: Config Update

The DM6446 does not build due to the ARM
relocation patch.

Also the board does not build in the NOR
mode. Changed default to NAND to ensure
no build failure.
While at it removed CONFIG_CMD_KGDB

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

include/configs/davinci_dvevm.h

@@ -50,7 +50,7 @@
 /*=======*/
 #define DV_EVM
 #define CONFIG_SYS_NAND_SMALLPAGE
-#define CONFIG_SYS_USE_NOR
+#define CONFIG_SYS_USE_NAND
 #define CONFIG_DISPLAY_CPUINFO
 /*===================*/
 /* SoC Configuration */
@@ -78,6 +78,7 @@
 #define CONFIG_STACKSIZE	(256*1024)	/* regular stack */
 #define PHYS_SDRAM_1		0x80000000	/* DDR Start */
 #define PHYS_SDRAM_1_SIZE	0x10000000	/* DDR size 256MB */
+
 #define DDR_8BANKS				/* 8-bank DDR2 (256MB) */
 /*====================*/
 /* Serial Driver info */
@@ -228,11 +229,13 @@
 #define CONFIG_PREBOOT "usb start"
 #endif
 #endif
-/*=======================*/
-/* KGDB support (if any) */
-/*=======================*/
-#ifdef CONFIG_CMD_KGDB
-#define CONFIG_KGDB_BAUDRATE	115200	/* speed to run kgdb serial port */
-#define CONFIG_KGDB_SER_INDEX	1	/* which serial port to use */
-#endif
+
+#define CONFIG_MAX_RAM_BANK_SIZE	(256 << 20)	/* 256 MB */
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+#define CONFIG_SYS_INIT_RAM_SIZE	0x1000
+#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + \
+					 CONFIG_SYS_INIT_RAM_SIZE - \
+					 GENERATED_GBL_DATA_SIZE)
+
 #endif /* __CONFIG_H */