Committed, update m and g properties for CRIS port.

[Hans-Peter Nilsson]

The canonical candidate for define_constants use in cris.md has
finally been fixed.  The end is near.  I also noticed there are
*two* properties related to using an RTL prologue and epilogue.

Index: backends.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/backends.html,v
retrieving revision 1.26
retrieving revision 1.28
diff -p -u -r1.26 -r1.28
--- backends.html	13 Apr 2005 19:35:52 -0000	1.26
+++ backends.html	14 Apr 2005 15:15:04 -0000	1.28
@@ -72,7 +72,7 @@ arm      |                      da  s
 avr      |    L  FI    l  c f m
 bfin     |       F         p g  da
 c4x      |  ??  N I BD       g  d  e 
-cris     |       F  B     cp  m  a  s
+cris     |       F  B     cp g   a  s
 fr30     | ??    FI B        gm     s
 frv      | ??       B      p    da  s
 h8300    |       FI       cp g      s

brgds, H-P