Convert CreateBootDisk from windows bat file to Linux sh file.  For Linux version of Genbootsector & Bootsectimage has not pass build yet, this sh file has not completely done.
Convert CreateBootDisk from windows bat file to Linux sh file. 
For Linux version of Genbootsector & Bootsectimage has not pass build yet, this sh file has not completely done.

git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@7777 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2