Hardware keymaster HAL should not indicate 'software'

Remove the 'software' flag so that keystore knows that this is a
hardware implementation.

Bug: 7106634
Change-Id: I1eef2d3564dc4e687644bd156694c893cc9a8e8d
diff --git a/libkeymaster/keymaster_mobicore.cpp b/libkeymaster/keymaster_mobicore.cpp
index b0a4e8d..0d3a05a 100644
--- a/libkeymaster/keymaster_mobicore.cpp
+++ b/libkeymaster/keymaster_mobicore.cpp
@@ -432,7 +432,7 @@
     dev->common.module = (struct hw_module_t*) module;
     dev->common.close = exynos_km_close;
 
-    dev->flags = KEYMASTER_SOFTWARE_ONLY;
+    dev->flags = 0;
 
     dev->generate_keypair = exynos_km_generate_keypair;
     dev->import_keypair = exynos_km_import_keypair;