These are changes from
http://svn.openmoko.org/trunk/src/host/qemu-neo1973/hw/wm8753.c that I
forgot to push to WM8750.  Some were suggested by malc.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4249 c046a42c-6fe2-441c-8c8c-71466251a162