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/hymod/bsp.c b/board/hymod/bsp.c
index 54b3b86..092d368 100644
--- a/board/hymod/bsp.c
+++ b/board/hymod/bsp.c
@@ -277,7 +277,7 @@
 }
 U_BOOT_CMD(
 	fpga,	6,	1,	do_fpga,
-	"fpga    - FPGA sub-system\n",
+	"FPGA sub-system",
 	"load [type] addr size\n"
 	"  - write the configuration data at memory address `addr',\n"
 	"    size `size' bytes, into the FPGA of type `type' (either\n"
@@ -336,7 +336,7 @@
 }
 U_BOOT_CMD(
 	eeclear,	1,	0,	do_eecl,
-	"eeclear - Clear the eeprom on a Hymod board \n",
+	"Clear the eeprom on a Hymod board",
 	"[type]\n"
 	"  - write zeroes into the EEPROM on the board of type `type'\n"
 	"    (`type' is either `main' or `mezz' - default `main')\n"