File boost-aarch64-flags.patch of Package boost

Index: boost_1_80_0/tools/build/src/tools/gcc.jam
===================================================================
--- boost_1_80_0.orig/tools/build/src/tools/gcc.jam
+++ boost_1_80_0/tools/build/src/tools/gcc.jam
@@ -390,7 +390,6 @@
     compile-link-flags <target-os>$(generic-os)/<architecture>s390x/<address-model>64 : -m64 ;
     local arch = power sparc x86 ;
     compile-link-flags <target-os>$(generic-os)/<architecture>$(arch)/<address-model>32 : -m32 ;
-    compile-link-flags <target-os>$(generic-os)/<architecture>$(arch)/<address-model>64 : -m64 ;
 }
 
 {