fcos/v1_6_exp:Add SElinux type

Adds a SElinux type to schema.go with state and mode fields.

Author: yasminvalim

config/fcos/v1_6_exp/schema.go

@@ -22,6 +22,7 @@ type Config struct {
 	base.Config `yaml:",inline"`
 	BootDevice  BootDevice `yaml:"boot_device"`
 	Grub        Grub       `yaml:"grub"`
+	Selinux     Selinux    `yaml:"selinux"`
 }
 
 type BootDevice struct {
@@ -49,3 +50,8 @@ type GrubUser struct {
 	Name         string  `yaml:"name"`
 	PasswordHash *string `yaml:"password_hash"`
 }
+
+type Selinux struct {
+	State *bool `yaml:"state"`
+	Mode  *bool `yaml:"mode"`
+}