Add some stuff

From-SVN: r17481

MAINTAINERS

+sh				Joern Rennecke
+v850				Nick Clifton, Michael Meissner
+arm				Nick Clifton, Richard Earnshaw
+m32r				Nick Clifton
+h8,				Jeff Law
+mn10200, mn10300		Jeff Law
+hppa				Jeff Law
+m68k				Jeff Law (?)
+rs6000				Michael Meissner, David Edelsohn
+mips				Jim Wilson, Gavin Koch
+i960, a29k			Jim Wilson
+alpha				Richard Henderson
+sparc				Richard Henderson, David Miller
+x86				Stan Cox
+fortran				Craig Burley, David Love, Richard Henderson
+				Toon Moene
+c++				Jason Merrill
+alias analysis			John Carr
+loop unrolling			Jim Wilson
+scheduler (including haifa)	Jeff Law, Jim Wilson, Michael Meissner
+delay slot filling		Jeff Law
+dwarf debugging			Jim Wilson (Jason Merrill also knows the dwarf
+				debugging code well).
+libio/libstdc++			Ulrich Drepper