Fix load_kasvs_ecdh_vectors() COUNT sourcing

COUNT is a decimal number in test files, but was erroneously read
and converted as if the source was a hexadecimal number.

Fix the loader and test the fix.

Signed-off-by: Simo Sorce <simo@redhat.com>

tests/test_utils.py

diff --git a/tests/test_utils.py b/tests/test_utils.py
index 04182a0..72e2072 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -3363,7 +3363,7 @@
     [EB - SHA224]
 
 
-    COUNT = 0
+    COUNT = 50
     dsCAVS = 540904b67b3716823dd621ed72ad3dbc615887b4f56f910b78a57199
     QsCAVSx = 28e5f3a72d8f6b8499dd1bcdfceafcecec68a0d715789bcf4b55fe15
     QsCAVSy = 8c8006a7da7c1a19f5328d7e865522b0c0dfb9a29b2c46dc96590d2a
@@ -3385,7 +3385,7 @@
     expected = [
         {'errno': 12,
          'fail': True,
-         'COUNT': 0,
+         'COUNT': 50,
          'CAVS': {
              'd': int("540904b67b3716823dd621ed72ad3dbc615887b4f56f910b"
                       "78a57199", 16),

tests/utils.py

diff --git a/tests/utils.py b/tests/utils.py
index cc3f9fc..3970109 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -722,7 +722,7 @@
         if line.startswith("["):
             tag = line.split()[0][1:]
         elif line.startswith("COUNT = "):
-            data["COUNT"] = int(line.split("=")[1], 16)
+            data["COUNT"] = int(line.split("=")[1])
         elif line.startswith("dsCAVS = "):
             data["CAVS"]["d"] = int(line.split("=")[1], 16)
         elif line.startswith("QsCAVSx = "):