fs/cpio: fix slight typo in help text

Typo introduced in d8f0ec7a468c (fs/cpio: new option to use dracut
tool).

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

fs/cpio/Config.in

@@ -14,7 +14,7 @@ choice
 config BR2_TARGET_ROOTFS_CPIO_FULL
 	bool "cpio the whole root filesystem"
 	help
-	  Build a cpio archive containing the whole the root filesystem.
+	  Build a cpio archive containing the whole root filesystem.
 
 config BR2_TARGET_ROOTFS_CPIO_DRACUT
 	bool "Invoke dracut to make a partial initramfs"