common: commands: make commands static

Since most commands are not public, make them static. This
prevents warnings that no common prototype is available.

Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
diff --git a/common/cmd_fs.c b/common/cmd_fs.c
index 91a205a..78590d2 100644
--- a/common/cmd_fs.c
+++ b/common/cmd_fs.c
@@ -20,7 +20,8 @@
 #include <command.h>
 #include <fs.h>
 
-int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
+				char * const argv[])
 {
 	return do_load(cmdtp, flag, argc, argv, FS_TYPE_ANY);
 }
@@ -35,9 +36,10 @@
 	"      If 'bytes' is 0 or omitted, the file is read until the end.\n"
 	"      'pos' gives the file byte position to start reading from.\n"
 	"      If 'pos' is 0 or omitted, the file is read from the start."
-);
+)
 
-int do_ls_wrapper(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_ls_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
+				char * const argv[])
 {
 	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_ANY);
 }
@@ -48,4 +50,4 @@
 	"<interface> [<dev[:part]> [directory]]\n"
 	"    - List files in directory 'directory' of partition 'part' on\n"
 	"      device type 'interface' instance 'dev'."
-);
+)