Comment # 1 on bug 1171643 from Martin Li��ka

Ok, so the failure is:

[  897s] /usr/lib64/gcc/aarch64-suse-linux/10/ld:
/tmp/SecureBootConfigDxe.dll.TGvO1O.ltrans1.ltrans.o: in function
`getrn.lto_priv.0':
[  897s]
/home/abuild/rpmbuild/BUILD/edk2-edk2-stable202002/CryptoPkg/Library/OpensslLib/openssl/crypto/lhash/lhash.c:303:
undefined reference to `__aarch64_ldadd8_relax'
[  897s] /usr/lib64/gcc/aarch64-suse-linux/10/ld:
/home/abuild/rpmbuild/BUILD/edk2-edk2-stable202002/CryptoPkg/Library/OpensslLib/openssl/crypto/lhash/lhash.c:313:
undefined reference to `__aarch64_ldadd8_relax'
[  897s] /usr/lib64/gcc/aarch64-suse-linux/10/ld:
/home/abuild/rpmbuild/BUILD/edk2-edk2-stable202002/CryptoPkg/Library/OpensslLib/openssl/crypto/lhash/lhash.c:318:
undefined reference to `__aarch64_ldadd8_relax'
[  897s] /usr/lib64/gcc/aarch64-suse-linux/10/ld:
/tmp/SecureBootConfigDxe.dll.TGvO1O.ltrans1.ltrans.o: in function
`OPENSSL_LH_retrieve':
[  897s]
/home/abuild/rpmbuild/BUILD/edk2-edk2-stable202002/CryptoPkg/Library/OpensslLib/openssl/crypto/lhash/lhash.c:171:
undefined reference to `__aarch64_ldadd8_relax'
[  897s] /usr/lib64/gcc/aarch64-suse-linux/10/ld:
/tmp/SecureBootConfigDxe.dll.TGvO1O.ltrans5.ltrans.o: in function
`CRYPTO_DOWN_REF.constprop.0':
[  897s]
/home/abuild/rpmbuild/BUILD/edk2-edk2-stable202002/CryptoPkg/Library/OpensslLib/openssl/include/internal/refcount.h:50:
undefined reference to `__aarch64_ldadd4_relax'
[  897s] /usr/lib64/gcc/aarch64-suse-linux/10/ld:
/tmp/SecureBootConfigDxe.dll.TGvO1O.ltrans5.ltrans.o: in function
`EVP_PKEY_up_ref.isra.0':
[  897s]
/home/abuild/rpmbuild/BUILD/edk2-edk2-stable202002/CryptoPkg/Library/OpensslLib/openssl/include/internal/refcount.h:34:
undefined reference to `__aarch64_ldadd4_relax'

I can't find the functions in the source files? Can you please test:
%define _lto_cflags %{nil}