[PATCH] sstate.bbclass: Remove hardcoded task mappings

[Richard Purdie <richard.purdie@linuxfoundation.org>]

I've not idea why this got left in but as per the comment, it needs fixing
and we shouldn't have hardcoded mappings like this. Lets remove it
and dynamically generate the data instead.

[YOCTO #3039]

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass
index 6762e32..e4b70b3 100644
--- a/meta/classes/sstate.bbclass
+++ b/meta/classes/sstate.bbclass
@@ -519,16 +519,9 @@ BB_HASHCHECK_FUNCTION = "sstate_checkhashes"
 def sstate_checkhashes(sq_fn, sq_task, sq_hash, sq_hashfn, d):
 
     ret = []
-    # This needs to go away, FIXME
-    mapping = {
-        "do_populate_sysroot" : "populate-sysroot",
-        "do_populate_lic" : "populate-lic",
-        "do_package_write_ipk" : "deploy-ipk",
-        "do_package_write_deb" : "deploy-deb",
-        "do_package_write_rpm" : "deploy-rpm",
-        "do_package" : "package",
-        "do_deploy" : "deploy",
-    }
+    mapping = {}
+    for t in d.getVar("SSTATETASKS", True).split():
+        mapping[t] = d.getVarFlag(t, "sstate-name", True)
 
     for task in range(len(sq_fn)):
         spec = sq_hashfn[task].split(" ")[1]