test: enable ECDH key exchanges for driver coverage tests

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 4670697..555db66 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2255,8 +2255,6 @@
         scripts/config.py unset MBEDTLS_ECDH_C
     fi
     # Disable things that depend on it (regardless of driver or built-in)
-    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
-    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
     scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
     scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
     scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED