fs: Remove <common.h> and add needed includes

Remove <common.h> from all "fs/" files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/fs/fs.c b/fs/fs.c
index acf465b..bed1f72 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -9,7 +9,6 @@
 #include <config.h>
 #include <display_options.h>
 #include <errno.h>
-#include <common.h>
 #include <env.h>
 #include <lmb.h>
 #include <log.h>
@@ -21,6 +20,7 @@
 #include <fs.h>
 #include <sandboxfs.h>
 #include <semihostingfs.h>
+#include <time.h>
 #include <ubifs_uboot.h>
 #include <btrfs.h>
 #include <asm/global_data.h>