Merge branch 'bugfix/btdm_fix_crash_when_BLE_do_SMP_con_discon_stress_test' into 'master'

component/bt: fix crash when BLE do SMP connect and disconnect stress test

See merge request idf/esp-idf!3077

components/bt/lib

@@ -1 +1 @@
-Subproject commit 9b7ad605a096a39ebf95c31e68e8e9cffd85d2a8
+Subproject commit a034ac0cdce9050049858a2c06f37dccb73b4da1

components/esp32/ld/esp32.rom.ld

@@ -176,6 +176,7 @@ PROVIDE ( lld_evt_elt_wait_get = 0x400468e4 );
 PROVIDE ( lld_evt_get_next_free_slot = 0x4004692c );
 PROVIDE ( lld_pdu_adv_pk_desc_tab = 0x3ff98c70 );
 PROVIDE ( lld_pdu_llcp_pk_desc_tab = 0x3ff98b68 );
+PROVIDE ( lld_pdu_tx_flush_list = 0x4004a760 );
 PROVIDE ( lld_pdu_pack = 0x4004ab14 );
 PROVIDE ( LLM_AA_CT1 = 0x3ff98d8a );
 PROVIDE ( LLM_AA_CT2 = 0x3ff98d88 );