GT-3202: Sparc sleigh changes

- General sleigh formatting changes
- Corrected floating point register ordering
- Made decompiler happy with save/restore functions
- Fixed decompiler issues with ldd (but not std yet)
- Corrected issue with delay slot conditional goto inst_next
instructions
- Corrected register references in fito- and fxto- instructions.

Ghidra/Processors/Sparc/data/languages/SparcV9.pspec

@@ -9,6 +9,7 @@
   <context_data>
     <tracked_set space="ram">
       <set name="didrestore" val="0"/>
+      <set name="DECOMPILE_MODE" val="1"/>
     </tracked_set>
   </context_data>