[U-Boot] ext4load: fix help text

[Pavel Machek]

Fix ext4load help text.
    
Signed-off-by: Pavel Machek <pavel at denx.de>

diff --git a/common/cmd_ext4.c b/common/cmd_ext4.c
index 68b047b..4fd6d51 100644
--- a/common/cmd_ext4.c
+++ b/common/cmd_ext4.c
@@ -120,6 +120,6 @@ U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
 
 U_BOOT_CMD(ext4load, 6, 0, do_ext4_load,
 	   "load binary file from a Ext4 filesystem",
-	   "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
+	   "<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n"
 	   "    - load binary file 'filename' from 'dev' on 'interface'\n"
 	   "      to address 'addr' from ext4 filesystem");

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html