Change 'repeatable' attribute of some commands to sensible values.

Most prominently this changes 'erase' to be non-repeatable.

Signed-off-by: Detlev Zundel <dzu@denx.de>

common/cmd_flash.c

@@ -690,7 +690,7 @@ U_BOOT_CMD(
 );
 
 U_BOOT_CMD(
-	erase,   3,   1,  do_flerase,
+	erase,   3,   0,  do_flerase,
 	"erase   - erase FLASH memory\n",
 	"start end\n"
 	"    - erase FLASH from addr 'start' to addr 'end'\n"
@@ -704,7 +704,7 @@ U_BOOT_CMD(
 );
 
 U_BOOT_CMD(
-	protect,  4,  1,   do_protect,
+	protect,  4,  0,   do_protect,
 	"protect - enable or disable FLASH write protection\n",
 	"on  start end\n"
 	"    - protect FLASH from addr 'start' to addr 'end'\n"

common/cmd_misc.c

@@ -63,7 +63,7 @@ U_BOOT_CMD(
 #endif  /* CONFIG_COMMANDS & CFG_CMD_IRQ */
 
 U_BOOT_CMD(
-	sleep ,    2,    2,     do_sleep,
+	sleep ,    2,    1,     do_sleep,
 	"sleep   - delay execution for some time\n",
 	"N\n"
 	"    - delay execution for N seconds (N is _decimal_ !!!)\n"

common/cmd_pcmcia.c

@@ -87,7 +87,7 @@ int do_pinit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 }
 
 U_BOOT_CMD(
-	pinit,	2,	1,	do_pinit,
+	pinit,	2,	0,	do_pinit,
 	"pinit   - PCMCIA sub-system\n",
 	"on  - power on PCMCIA socket\n"
 			"pinit off - power off PCMCIA socket\n"