kernel: add_type for 5.4 is supported actually.

kernel/selinux/sepolicy.c

@@ -7,10 +7,7 @@
 #include "../klog.h" // IWYU pragma: keep
 #include "ss/symtab.h"
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0) || LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0)
-// 5.4 is not tested
 #define KSU_SUPPORT_ADD_TYPE
-#endif
 
 //////////////////////////////////////////////////////
 // Declaration
@@ -985,4 +982,4 @@ bool ksu_genfscon(struct policydb *db, const char *fs_name, const char *path,
 		  const char *ctx)
 {
 	return add_genfscon(db, fs_name, path, ctx);
-}
+}