da830: modify the U-Boot prompt string

Modify U-boot promt string from 'DA830-evm >' to 'U-Boot >' as
there are many variants of da830 based boards which have diffrent
names such as L137, AM1707 etc.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Nagabhushana Netagunte <nagabhushana.netagunte@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

include/configs/da830evm.h

@@ -162,7 +162,7 @@
 #undef CONFIG_MISC_INIT_R
 #undef CONFIG_BOOTDELAY
 #define CONFIG_BOOTFILE		"uImage" /* Boot file name */
-#define CONFIG_SYS_PROMPT	"DA830-evm > " /* Command Prompt */
+#define CONFIG_SYS_PROMPT	"U-Boot > " /* Command Prompt */
 #define CONFIG_SYS_CBSIZE	1024 /* Console I/O Buffer Size	*/
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define CONFIG_SYS_MAXARGS	16 /* max number of command args */