ci: common kernel build and embed ksud (#127)

kernel/Makefile

@@ -8,6 +8,7 @@ obj-y += uid_observer.o
 obj-y += manager.o
 obj-y += core_hook.o
 obj-y += ksud.o
+obj-y += embed_ksud.o
 
 obj-y += selinux/
 

kernel/embed_ksud.c

@@ -0,0 +1,5 @@
+// WARNING: THIS IS A STUB FILE
+// This file will be regenerated by CI
+
+unsigned int ksud_size = 0;
+const char ksud[0] = {};