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/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index f80baeb..1c5e314 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -209,7 +209,7 @@
 
 U_BOOT_CMD(
 	pca953x,	5,	1,	do_pca953x,
-	"pca953x	- pca953x gpio access\n",
+	"pca953x gpio access",
 	"device [dev]\n"
 	"	- show or set current device address\n"
 #ifdef CONFIG_CMD_PCA953X_INFO
diff --git a/drivers/misc/ds4510.c b/drivers/misc/ds4510.c
index 958ff68..8b5fbbc 100644
--- a/drivers/misc/ds4510.c
+++ b/drivers/misc/ds4510.c
@@ -390,7 +390,7 @@
 
 U_BOOT_CMD(
 	ds4510,	6,	1,	do_ds4510,
-	"ds4510	- ds4510 eeprom/seeprom/sram/gpio access\n",
+	"ds4510 eeprom/seeprom/sram/gpio access",
 	"device [dev]\n"
 	"	- show or set current device address\n"
 #ifdef CONFIG_CMD_DS4510_INFO
diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c
index 7b29fd7..e90a4a5 100644
--- a/drivers/qe/qe.c
+++ b/drivers/qe/qe.c
@@ -461,7 +461,7 @@
 
 U_BOOT_CMD(
 	qe, 4, 0, qe_cmd,
-	"qe      - QUICC Engine commands\n",
+	"QUICC Engine commands",
 	"fw <addr> [<length>] - Upload firmware binary at address <addr> to "
 		"the QE,\n\twith optional length <length> verification.\n"
 	);