[Bugfix] Extended advertisements missing on non-esp devices.

Author: h2zero

src/syscfg/syscfg.h

@@ -1825,7 +1825,7 @@
 #endif
 
 #ifndef MYNEWT_VAL_BLE_LL_SCAN_AUX_SEGMENT_CNT
-#define MYNEWT_VAL_BLE_LL_SCAN_AUX_SEGMENT_CNT (0)
+#define MYNEWT_VAL_BLE_LL_SCAN_AUX_SEGMENT_CNT (8)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_LL_SCHED_SCAN_AUX_PDU_LEN