openSUSE: 2021:0598-1 Important Fix For Shim System Boot Error

This update for shim fixes the following issues:

- Updated openSUSE x86 signature

- Avoid the error message during linux system boot (boo#1184454)

- Prevent the build id being added to the binary. That can cause issues

with the signature

Update to 15.4 (boo#1182057)

+ Rename the SBAT variable and fix the self-check of SBAT

+ sbat: add more dprint()

+ arm/aa64: Swizzle some sections to make old sbsign happier

+ 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)

+ Drop gnu-efi from BuildRequires since upstream pull it into the

- Generate vender-specific SBAT metadata

+ Add dos2unix to BuildRequires since Makefile requires it for vendor

SBAT

- Update dbx-cert.tar.xz and vendor-dbx.bin to block the following sign

keys:

+ SLES-UEFI-SIGN-Certificate-2020-07.crt

+...