Associate the new xattrfs attribute to fs_t and some pseudo-fs

Associate the new xattrfs attribute to fs_t and the pseudo filesystems
that we know support xattr

This patch adds the attribute to the following (pseudo) filesystems

 - device_t
 - devpts_t
 - fs_t
 - hugetlbfs
 - sysfs_t
 - tmpfs_t

policy/modules/kernel/devices.te

@@ -18,7 +18,7 @@ fs_associate_tmpfs(device_t)
 files_type(device_t)
 files_mountpoint(device_t)
 files_associate_tmp(device_t)
-fs_type(device_t)
+fs_xattr_type(device_t)
 fs_use_trans devtmpfs gen_context(system_u:object_r:device_t,s0);
 
 #
@@ -231,7 +231,7 @@ dev_node(sound_device_t)
 #
 type sysfs_t;
 files_mountpoint(sysfs_t)
-fs_type(sysfs_t)
+fs_xattr_type(sysfs_t)
 genfscon sysfs / gen_context(system_u:object_r:sysfs_t,s0)
 
 #

policy/modules/kernel/filesystem.te

@@ -16,7 +16,7 @@ attribute xattrfs;
 # filesystems with extended attributes
 #
 type fs_t;
-fs_type(fs_t)
+fs_xattr_type(fs_t)
 sid fs gen_context(system_u:object_r:fs_t,s0)
 
 # Use xattrs for the following filesystem types.
@@ -95,7 +95,7 @@ fs_type(futexfs_t)
 genfscon futexfs / gen_context(system_u:object_r:futexfs_t,s0)
 
 type hugetlbfs_t;
-fs_type(hugetlbfs_t)
+fs_xattr_type(hugetlbfs_t)
 files_mountpoint(hugetlbfs_t)
 fs_use_trans hugetlbfs gen_context(system_u:object_r:hugetlbfs_t,s0);
 
@@ -175,7 +175,7 @@ genfscon vxfs / gen_context(system_u:object_r:vxfs_t,s0)
 #
 type tmpfs_t;
 dev_associate(tmpfs_t)
-fs_type(tmpfs_t)
+fs_xattr_type(tmpfs_t)
 files_type(tmpfs_t)
 files_mountpoint(tmpfs_t)
 files_poly_parent(tmpfs_t)

policy/modules/kernel/terminal.te

@@ -27,7 +27,7 @@ dev_node(console_device_t)
 type devpts_t;
 files_mountpoint(devpts_t)
 fs_associate_tmpfs(devpts_t)
-fs_type(devpts_t)
+fs_xattr_type(devpts_t)
 fs_use_trans devpts gen_context(system_u:object_r:devpts_t,s0);
 
 #