rm_work: Fix interaction issues with pseudo

This class needs to wipe out the contents of the pseudo database but also
ensure the pseudo directory exists for any subsequent tasks and also ensure
any pseudo server has shut down before removing the database. This patch
does all of these things.

[BUGID #222]

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

meta/classes/rm_work.bbclass

@@ -10,15 +10,20 @@ RMWORK_ORIG_TASK := "${BB_DEFAULT_TASK}"
 BB_DEFAULT_TASK = "rm_work_all"
 
 do_rm_work () {
+    # Ensure pseudo is no longer active
+    ${FAKEROOT} -S
     cd ${WORKDIR}
     for dir in *
     do
         if [ `basename ${S}` = $dir ]; then
             rm -rf $dir
-        elif [ $dir != 'temp' -a $dir != 'pseudo' ]; then
+        elif [ $dir != 'temp' ]; then
             rm -rf $dir
         fi
     done
+    # Need to add pseudo back or subsqeuent work in this workdir
+    # might fail since setscene may not rerun to recreate it
+    mkdir ${WORKDIR}/pseudo/
 }
 addtask rm_work after do_${RMWORK_ORIG_TASK}