ARM: highbank: use default prompt

Since highbank is actually shared between Highbank and Midway platforms,
remove the Highbank name from the prompt and use the default.

Signed-off-by: Rob Herring <robh@kernel.org>

include/configs/highbank.h

@@ -71,7 +71,6 @@
 #define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size */
 #define CONFIG_SYS_MAXARGS		16	/* max number of cmd args */
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
-#define CONFIG_SYS_PROMPT		"Highbank #"
 /* Print Buffer Size */
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					 sizeof(CONFIG_SYS_PROMPT)+16)