[nrf noup] tests: Disable mbedtls legacy for 54H20

Disable the mbedtls legacy tests for the nRF54H20.
We now enable the PSA entropy driver for the nRF54H20
which is incompatible with the mbedtls legacy APIs.

Noup since we only enable the PSA entropy driver in
NCS and not upstream.

Signed-off-by: Georgios Vasilakis <[email protected]>

Author: Vge0rge

tests/crypto/mbedtls/testcase.yaml

@@ -8,7 +8,10 @@ common:
   timeout: 400
 tests:
   crypto.mbedtls:
-    platform_exclude: m2gl025_miv
+    platform_exclude:
+      - m2gl025_miv
+      - nrf54h20dk/nrf54h20/cpuapp
+      - nrf54h20dk/nrf54h20/cpurad
     extra_configs:
       - CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=0
       - arch:riscv64:CONFIG_ZTEST_STACK_SIZE=8192