Use new file names for included i860 files.

From-SVN: r3114

gcc/config/i860/bsd-gas.h

-#include "i860b.h"
+#include "i860/bsd.h"
 
 #undef ASCII_DATA_ASM_OP
 #define ASCII_DATA_ASM_OP ".ascii"

gcc/config/i860/bsd.h

-#include "i860.h"
+#include "i860/i860.h"
 
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (i860, BSD)")

gcc/config/i860/fx2800.h

@@ -23,7 +23,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #define OUTPUT_TDESC
 
-#include "i860v4.h"
+#include "i860/sysv4.h"
 
 /* The Alliant fx2800 running Concentrix 2.x is weird.  This is basically
    a BSD 4.3 based operating system, but it uses svr4 ELF format object

gcc/config/i860/mach.h

 /* Configuration for an i860 running Mach as the target machine.  */
 
-#include "i860.h"
+#include "i860/i860.h"
 
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (i860 Mach3.x)");

gcc/config/i860/sysv3.h

@@ -19,7 +19,7 @@ You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
-#include "i860.h"
+#include "i860/i860.h"
 #include "svr3.h"
 
 #undef TARGET_VERSION

gcc/config/i860/sysv4.h

@@ -19,7 +19,7 @@ You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
-#include "i860.h"
+#include "i860/i860.h"
 #include "svr4.h"
 
 #undef TARGET_VERSION