[ARC] Add to config.h option ARC_SUPPORT

Signed-off-by: Anton Kolesov <akolesov@synopsys.com>
[ARC] Update syscalls/getrusage03 to pass on ARC Linux

In most cases ARC Linuxes have only 512 MiB RAM without swap. getrusage03 needs more than that, so to pass we have to disable parts that need so much memory.

Signed-off-by: Anton Kolesov <akolesov@synopsys.com>
Merge branch 'master' of github.com:anthony-kolesov/ltp
[ARC] Update readme, we don't need to set -DUCLINUX

Signed-off-by: Anton Kolesov <akolesov@synopsys.com>
[ARC] Remove binary file added by an error.
Signed-off-by: Anton Kolesov <akolesov@synopsys.com>