dm: test: Fix partition test to use mmc2

d94d9844bc ("dm: part: Update test to use mmc2") attempted to make the
test use mmc2, but the change was incomplete in that it didn't also
change the strings that reference a specific partition. Fix these so
that the test passes again

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/test/dm/part.c b/test/dm/part.c
index 35e99ee..d5c58d6 100644
--- a/test/dm/part.c
+++ b/test/dm/part.c
@@ -76,15 +76,15 @@
 	test(-EINVAL, "#test1", true);
 	test(1, "2", false);
 	test(1, "2", true);
-	test(-ENOENT, "1:0", false);
-	test(0, "1:0", true);
-	test(1, "1:1", false);
-	test(2, "1:2", false);
-	test(1, "1.0", false);
-	test(0, "1.0:0", true);
-	test(1, "1.0:1", false);
-	test(2, "1.0:2", false);
-	test(-EINVAL, "1#bogus", false);
+	test(-ENOENT, "2:0", false);
+	test(0, "2:0", true);
+	test(1, "2:1", false);
+	test(2, "2:2", false);
+	test(1, "2.0", false);
+	test(0, "2.0:0", true);
+	test(1, "2.0:1", false);
+	test(2, "2.0:2", false);
+	test(-EINVAL, "2#bogus", false);
 	test(1, "2#test1", false);
 	test(2, "2#test2", false);
 	ret = 0;