This update for shim fixes the following issues:
Updated openSUSE x86 signature
Avoid the error message during linux system boot (boo#1184454)
Update to 15.4 (boo#1182057)
arm/aa64 targets: put .rel* and .dyn* in .rodata
Change the SBAT variable name and enhance the handling of SBAT (boo#1182057)
Update to 15.3 for SBAT support (boo#1182057)
Fixed NULL pointer dereference in AuthenticodeVerify() (boo#1177789, CVE-2019-14584)
All newly released openSUSE kernels enable kernel lockdown and signature verification, so there is no need to add the prompt anymore.