Merge branch 'bugfix/add-esp-timer-guard-check-in-port-layer' into 'master'

NimBLE: Invoke xTimerGetExpiryTime in npl porting layer only when freertos timer is used

See merge request espressif/esp-idf!15929

components/bt/host/nimble/nimble

@@ -1 +1 @@
-Subproject commit a4f3ace1e776b2c3edc5421e0c222f2ead94792b
+Subproject commit 2ea6af6e6428cde1b69275ce50be0d0db763d31c