Remove superfluous uses of V_PROMPT macro.

A number of config files define the V_PROMPT macro for the
command-line prompt, only to immediately use that macro to define
CONFIG_SYS_PROMPT, making V_PROMPT entirely superfluous.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index 4fe3bd8..a8abb0e 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -230,12 +230,10 @@
 /*
  * Miscellaneous configurable options
  */
-#define V_PROMPT			"OMAP3 beagleboard.org # "
-
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
-#define CONFIG_SYS_PROMPT		V_PROMPT
+#define CONFIG_SYS_PROMPT		"OMAP3 beagleboard.org # "
 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \