rv_plic: Complete S1 review for rv_plic DIF

Closes #1387

Signed-off-by: Garret Kelly <gdk@google.com>
diff --git a/hw/ip/rv_plic/data/rv_plic.prj.hjson b/hw/ip/rv_plic/data/rv_plic.prj.hjson
index 66138b5..654d064 100644
--- a/hw/ip/rv_plic/data/rv_plic.prj.hjson
+++ b/hw/ip/rv_plic/data/rv_plic.prj.hjson
@@ -14,8 +14,8 @@
         life_stage:         "L1",
         design_stage:       "D2",
         verification_stage: "V2",
-        dif_stage:          "S0",
-        commit_id:          "d4d5d2f3bb87af5ca2f2787af5bc19bee04ffc6a",
+        dif_stage:          "S1",
+        commit_id:          "d1f3da165b6c43b20c38f9d3dabdfad8bc6e01a8",
         notes:              "based on FPV at block level",
       }
     ],
diff --git a/sw/device/lib/dif/dif_plic.md b/sw/device/lib/dif/dif_plic.md
index a8273aa..7ba7b3b 100644
--- a/sw/device/lib/dif/dif_plic.md
+++ b/sw/device/lib/dif/dif_plic.md
@@ -9,12 +9,12 @@
 
 Type           | Item                 | Resolution  | Note/Collaterals
 ---------------|----------------------|-------------|------------------
-Implementation | [DIF_EXISTS][]       | Not Started |
-Implementation | [DIF_USED_IN_TREE][] | Not Started |
-Tests          | [DIF_TEST_UNIT][]    | Not Started |
-Tests          | [DIF_TEST_SANITY][]  | Not Started |
-Review         | Reviewer(s)          | Not Started |
-Review         | Signoff date         | Not Started |
+Implementation | [DIF_EXISTS][]       | Done        |
+Implementation | [DIF_USED_IN_TREE][] | Done        |
+Tests          | [DIF_TEST_UNIT][]    | Done        |
+Tests          | [DIF_TEST_SANITY][]  | Done        |
+Review         | Reviewer(s)          | Done        | @gkelly, @lenary, @silvestrst
+Review         | Signoff date         | Done        | 2020-06-08
 
 [DIF_EXISTS]:       {{< relref "/doc/project/checklist.md#dif-exists" >}}
 [DIF_USED_IN_TREE]: {{< relref "/doc/project/checklist.md#dif-used-in-tree" >}}