[trusty-base] Update Trusty Keymint properties

Support legacy 3DES algorithm
(property parity with software implementation)

Bug: 193715461
Change-Id: Id2c45b94b2b3375972dd53fa65186007eda35970
Test: atest VtsAidlKeyMintTargetTest
Signed-off-by: Armelle Laine <armellel@google.com>
diff --git a/trusty/trusty-base.mk b/trusty/trusty-base.mk
index 12521b0..6cd381f 100644
--- a/trusty/trusty-base.mk
+++ b/trusty/trusty-base.mk
@@ -28,5 +28,6 @@
 	trusty_apploader
 
 PRODUCT_PROPERTY_OVERRIDES += \
+	ro.hardware.keystore_desede=true \
 	ro.hardware.keystore=trusty \
 	ro.hardware.gatekeeper=trusty