Disable LTO and enable Clang & LLVM plugins for riscv64

Disable LTO trying to avoid issues like:

[..]
LLVMgold.so: cannot open shared object file: No such file or directory
[..]

Remember that gold linker is not ported to riscv64.

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

annobin.spec

@@ -1,12 +1,15 @@
 %ifarch riscv64
 # Empty %%files file /builddir/build/BUILD/annobin-10.79/debugsourcefiles.list
 %global debug_package %{nil}
+
+# Disable LTO: LLVMgold.so: cannot open shared object file: No such file or directory
+%global _lto_cflags %nil
 %endif
 
 Name:    annobin
 Summary: Annotate and examine compiled binary files
 Version: 10.79
-Release: 1.0.riscv64%{?dist}
+Release: 1.1.riscv64%{?dist}
 License: GPLv3+
 URL: https://sourceware.org/annobin/
 # Maintainer: nickc@redhat.com
@@ -28,25 +31,13 @@ URL: https://sourceware.org/annobin/
 %bcond_with debuginfod
 
 # Use "--without clangplugin" to disable the building of the annobin plugin for Clang.
-%ifnarch riscv64
 %bcond_without clangplugin
-%else
-# riscv64: LLVMgold.so: cannot open shared object file: No such file or directory
-# In general Gold was never implemented for riscv.
-%bcond_with clangplugin
-%endif
 
 # Use "--without gccplugin" to disable the building of the annobin plugin for GCC.
 %bcond_without gccplugin
 
 # Use "--without llvmplugin" to disable the building of the annobin plugin for LLVM.
-%ifnarch riscv64
 %bcond_without llvmplugin
-%else
-# riscv64: LLVMgold.so: cannot open shared object file: No such file or directory
-# In general Gold was never implemented for riscv.
-%bcond_with llvmplugin
-%endif
 
 # Set this to zero to disable the requirement for a specific version of gcc.
 # This should only be needed if there is some kind of problem with the version
@@ -501,6 +492,10 @@ fi
 #---------------------------------------------------------------------------------
 
 %changelog
+* Wed Aug 03 2022 David Abdurachmanov <davidlt@rivosinc.com> - 10.79-1.1.riscv64
+- Disable LTO for riscv64
+- Enable Clang and LLVM plugins
+
 * Wed Aug 03 2022 David Abdurachmanov <davidlt@rivosinc.com> - 10.79-1.0.riscv64
 - Fix riscv targets
 - Disable clang and llvm plugins on riscv targets