sstatesig: Update to match bitbake changes to runtaskdeps

Bitbake has changes to runtaskdeps in siginfo files to fix bugs in being
able to locate them for sstate and hash debugging purposes.

This patch updates to match the changes to the format.

(From OE-Core rev: 4f1148eeab2500022d7e17feadf80027a01a51f1)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oe/sstatesig.py

@@ -215,6 +215,9 @@ class SignatureGeneratorOEBasicHashMixIn(object):
     def dump_lockedsigs(self, sigfile, taskfilter=None):
         types = {}
         for tid in self.runtaskdeps:
+            # Bitbake changed this to a tuple in newer versions
+            if isinstance(tid, tuple):
+                tid = tid[1]
             if taskfilter:
                 if not tid in taskfilter:
                     continue
@@ -321,11 +324,12 @@ def find_siginfo(pn, taskname, taskhashlist, d):
     if not taskname:
         # We have to derive pn and taskname
         key = pn
-        splitit = key.split('.bb:')
-        taskname = splitit[1]
-        pn = os.path.basename(splitit[0]).split('_')[0]
-        if key.startswith('virtual:native:'):
-            pn = pn + '-native'
+        if key.startswith("mc:"):
+           # mc:<mc>:<pn>:<task>
+           _, _, pn, taskname = key.split(':', 3)
+        else:
+           # <pn>:<task>
+           pn, taskname = key.split(':', 1)
 
     hashfiles = {}
     filedates = {}