adding build script for gc64-enabled binutils 
adding build script for gc64-enabled binutils 


HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,HackLinux/goblin-core,HackLinux/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,HackLinux/goblin-core,dededong/goblin-core,dededong/goblin-core,dededong/goblin-core,dededong/goblin-core,HackLinux/goblin-core