Rename functions and make nonstatic as necessary

Rename functions and make nonstatic as necessary

This commit renames the functions that are to be shared.
Functions to be shared that were static are made nonstatic.

gdb/
2014-06-18  Gary Benson  <gbenson@redhat.com>

	* i386-nat.c (i386_show_dr): Renamed to
	i386_dr_show and made nonstatic.  All uses updated.
	(i386_length_and_rw_bits): Renamed to
	i386_dr_length_and_rw_bits and made nonstatic.
	All uses updated.
	(i386_insert_aligned_watchpoint): Renamed to
	i386_dr_insert_aligned_watchpoint and made nonstatic.
	All uses updated.
	(i386_remove_aligned_watchpoint): Renamed to
	i386_dr_remove_aligned_watchpoint and made nonstatic.
	All uses updated.
	(i386_update_inferior_debug_regs): Renamed to
	i386_dr_update_inferior_debug_regs and made nonstatic.
	All uses updated.

gdb/gdbserver/
2014-06-18  Gary Benson  <gbenson@redhat.com>

	* i386-low.h (i386_low_insert_watchpoint): Renamed to
	i386_dr_insert_watchpoint.
	(i386_low_remove_watchpoint): Renamed to
	i386_dr_remove_watchpoint.
	(i386_low_region_ok_for_watchpoint): Renamed to
	i386_dr_region_ok_for_watchpoint.
	(i386_low_stopped_data_address): Renamed to
	i386_dr_stopped_data_address.
	(i386_low_stopped_by_watchpoint): Renamed to
	i386_dr_stopped_by_watchpoint.
	* i386-low.c (i386_show_dr): Renamed to
	i386_dr_show and made nonstatic.  All uses updated.
	(i386_length_and_rw_bits): Renamed to
	i386_dr_length_and_rw_bits and made nonstatic.
	All uses updated.
	(i386_insert_aligned_watchpoint): Renamed to
	i386_dr_insert_aligned_watchpoint and made nonstatic.
	All uses updated.
	(i386_remove_aligned_watchpoint): Renamed to
	i386_dr_remove_aligned_watchpoint and made nonstatic.
	All uses updated.
	(i386_update_inferior_debug_regs): Renamed to
	i386_dr_update_inferior_debug_regs and made nonstatic.
	All uses updated.
	(i386_low_insert_watchpoint): Renamed to
	i386_dr_insert_watchpoint.  All uses updated.
	(i386_low_remove_watchpoint): Renamed to
	i386_dr_remove_watchpoint.  All uses updated.
	(i386_low_region_ok_for_watchpoint): Renamed to
	i386_dr_region_ok_for_watchpoint.  All uses updated.
	(i386_low_stopped_data_address): Renamed to
	i386_dr_stopped_data_address.  All uses updated.
	(i386_low_stopped_by_watchpoint): Renamed to
	i386_dr_stopped_by_watchpoint.  All uses updated.