Every time I follow the instructions for README.SUSE I get the following error:

make -j24 vmlinux modules
  GEN     Makefile
  DESCEND objtool
  DESCEND bpf/resolve_btfids
  CALL    /usr/src/linux-5.14.21-150400.22/scripts/atomic/check-atomics.sh
  CALL    /usr/src/linux-5.14.21-150400.22/scripts/checksyscalls.sh
  CHK     include/generated/compile.h
make[2]: *** No rule to make target '.kernel_signing_key.pem', needed by
'certs/signing_key.x509'.  Stop.
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/usr/src/linux-5.14.21-150400.22/Makefile:1882: certs] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [/usr/src/linux-5.14.21-150400.22/Makefile:220: __sub-make] Error 2

The instructions in README.SUSE do not describe how to remove the signing key
requirement or how to generate a self-signed key for this.

Bug ID	1201450
Summary	Cannot compile kernel, No rule to make target '.kernel_signing_key.pem', needed by 'certs/signing_key.x509'
Classification	openSUSE
Product	openSUSE Distribution
Version	Leap 15.4
Hardware	Other
OS	Other
Status	NEW
Severity	Normal
Priority	P5 - None
Component	Kernel
Assignee	kernel-bugs@opensuse.org
Reporter	aaronw@doofus.org
QA Contact	qa-bugs@suse.de
Found By	---
Blocker	---