[binutils-gdb] Add tdesc osabi and architecture functions

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT d278f585afe8e096e9232b8fd80404ab5fae5719 ***

Author: Alan Hayward <alan.hayward@arm.com>
Branch: master
Commit: d278f585afe8e096e9232b8fd80404ab5fae5719

Add tdesc osabi and architecture functions

gdb/
	* common/tdesc.h (tdesc_architecture_name): Add new declaration.
	(tdesc_osabi_name): Likewise.
	* target-descriptions.c (tdesc_architecture_name): Add new function.
	(tdesc_osabi_name): Likewise.

gdbserver/
	* tdesc.c (tdesc_architecture_name): Add new function.
	(tdesc_osabi_name): Likewise.
	(tdesc_get_features_xml): Use new functions.