[binutils-gdb] Clarify comment on the purpose of the assertion loop in _initialize_remote.

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT 0b736949a8752e899972d064da48ce7ca683c18e ***

Author: Don Breazeal <donb@codesourcery.com>
Branch: master
Commit: 0b736949a8752e899972d064da48ce7ca683c18e

Clarify comment on the purpose of the assertion loop in _initialize_remote.
gdb/ChangeLog:
2015-03-26  Don Breazeal  <donb@codesourcery.com>

	* remote.c (_initialize_remote): Update comment.