[PATCH] ld/testsuite: add support for remote testing in ld-cdtest

[Alan Modra]

Typical log file shows:
Running: tmpdir/cdtest
Setting LD_LIBRARY_PATH to :
Execution timeout is: 300
spawn [open ...]
tmpdir/cdtest: 1: ELF



@°4H@4: not found
tmpdir/cdtest: 2: Syntax error: word unexpected (expecting ")")
tmpdir/cdtest: 1: ELF



@°4H@4: not found
tmpdir/cdtest: 2: Syntax error: word unexpected (expecting ")")

FAIL: cdtest

-- 
Alan Modra