[OpenBIOS] [PATCH] adds spin word to dictionary

[Programmingkid]

This patch adds the word 'spin' to the dictionary. It is defer instance that is set by Bootx while booting Mac OS X. I kept it in the ppc.fs file because this file is only used on PowerPC targets. 

Index: trunk/openbios-devel/arch/ppc/ppc.fs
===================================================================
--- trunk/openbios-devel/arch/ppc/ppc.fs	(revision 1067)
+++ trunk/openbios-devel/arch/ppc/ppc.fs	(working copy)
@@ -45,3 +45,6 @@
 0 value %sprg1
 0 value %sprg2
 0 value %sprg3
+
+\ Set by BootX to boot Mac OS X
+defer spin
\ No newline at end of file