lib: arm_ffa: Continue FFA init if MEM_RETRIEVE_REQ is not supported am: 49a2a37f29

Original change: https://android-review.googlesource.com/c/trusty/lk/trusty/+/3488312

Change-Id: I84884b3947734028eabd74f105734f570b965406
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

lib/arm_ffa/arm_ffa.c

diff --git a/lib/arm_ffa/arm_ffa.c b/lib/arm_ffa/arm_ffa.c
index 9656664..6fbe3c7 100644
--- a/lib/arm_ffa/arm_ffa.c
+++ b/lib/arm_ffa/arm_ffa.c
@@ -1052,10 +1052,7 @@
     }
     if (!is_implemented) {
         TRACEF("FFA_MEM_RETRIEVE_REQ is not implemented\n");
-        return ERR_NOT_SUPPORTED;
-    }
-
-    if (ref_count_num_bits < 64) {
+    } else if (ref_count_num_bits < 64) {
         /*
          * Expect 64 bit reference count. If we don't have it, future calls to
          * SMC_FC_FFA_MEM_RETRIEVE_REQ can fail if we receive the same handle