Command usage cleanup

Remove command name from all command "usage" fields and update
common/command.c to display "name - usage" instead of
just "usage". Also remove newlines from command usage fields.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/board/tqc/tqm5200/cmd_stk52xx.c b/board/tqc/tqm5200/cmd_stk52xx.c
index 6ef7fbe..20632a7 100644
--- a/board/tqc/tqm5200/cmd_stk52xx.c
+++ b/board/tqc/tqm5200/cmd_stk52xx.c
@@ -1194,7 +1194,7 @@
 
 U_BOOT_CMD(
 	sound ,    5,    1,     cmd_sound,
-	"sound   - Sound sub-system\n",
+	"Sound sub-system",
 	"saw [duration] [freq] [channel]\n"
 	"    - generate sawtooth for 'duration' ms with frequency 'freq'\n"
 	"      on left \"l\" or right \"r\" channel\n"
@@ -1206,14 +1206,14 @@
 
 U_BOOT_CMD(
 	wav ,    3,    1,     cmd_wav,
-	"wav     - play wav file\n",
+	"play wav file",
 	"[addr] [bytes]\n"
 	"    - play wav file at address 'addr' with length 'bytes'\n"
 );
 
 U_BOOT_CMD(
 	beep ,    2,    1,     cmd_beep,
-	"beep    - play short beep\n",
+	"play short beep",
 	"[channel]\n"
 	"    - play short beep on \"l\"eft or \"r\"ight channel\n"
 );
@@ -1222,7 +1222,7 @@
 #if defined(CONFIG_STK52XX)
 U_BOOT_CMD(
 	fkt ,	4,	1,	cmd_fkt,
-	"fkt     - Function test routines\n",
+	"Function test routines",
 	"led number on/off\n"
 	"     - 'number's like printed on STK52XX board\n"
 	"fkt can\n"
@@ -1237,7 +1237,7 @@
 #elif defined(CONFIG_FO300)
 U_BOOT_CMD(
 	fkt ,	3,	1,	cmd_fkt,
-	"fkt     - Function test routines\n",
+	"Function test routines",
 	"fkt can\n"
 	"     - loopback plug for X16/X29 required\n"
 	"fkt rs232 number\n"