uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/misc/calamares/userjob.patch

@@ -0,0 +1,31 @@
+diff --git a/src/modules/users/Config.cpp b/src/modules/users/Config.cpp
+index eedfd274d..0f3e78848 100644
+--- a/src/modules/users/Config.cpp
++++ b/src/modules/users/Config.cpp
+@@ -972,26 +972,11 @@ Config::createJobs() const
+ 
+     Calamares::Job* j;
+ 
+-    if ( !m_sudoersGroup.isEmpty() )
+-    {
+-        j = new SetupSudoJob( m_sudoersGroup, m_sudoStyle );
+-        jobs.append( Calamares::job_ptr( j ) );
+-    }
+-
+-    j = new SetupGroupsJob( this );
+-    jobs.append( Calamares::job_ptr( j ) );
+-
+-    j = new CreateUserJob( this );
+-    jobs.append( Calamares::job_ptr( j ) );
+-
+     j = new SetPasswordJob( loginName(), userPassword() );
+     jobs.append( Calamares::job_ptr( j ) );
+ 
+     j = new SetPasswordJob( "root", rootPassword() );
+     jobs.append( Calamares::job_ptr( j ) );
+ 
+-    j = new SetHostNameJob( this );
+-    jobs.append( Calamares::job_ptr( j ) );
+-
+     return jobs;
+ }