NimBLE: Fix compilation warnings and errors

1. Remove networking macros from endian.h. They are not used in NimBLE (only used in socket transport, which our port does not use)

2. nvs_handle => nvs_handle_t

3. rom/queue.h => sys/queue.h

porting/nimble/include/os/endian.h

@@ -137,6 +137,8 @@ extern "C" {
 #define htonll      ntohll
 #endif
 
+/* These are not used in NimBLE and ESP-IDF uses them from LwIP */
+#if 0
 #ifndef ntohl
 #define ntohl(x)    os_bswap_32(x)
 #endif
@@ -152,6 +154,7 @@ extern "C" {
 #ifndef ntohs
 #define ntohs       htons
 #endif
+#endif
 
 #ifndef htobe16
 #define htobe16(x) os_bswap_16(x)

porting/nimble/include/os/queue.h

@@ -34,7 +34,7 @@
 #define	_QUEUE_H_
 
 /* The common BSD linked list queue macros are already defined here for ESP-IDF */
-#include <rom/queue.h>
+#include <sys/queue.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -43,7 +43,7 @@ extern "C" {
 /*
  * This file defines circular queues. The other types of data structures:
  * singly-linked lists, singly-linked tail queues, lists and tail queues
- * are used from rom/queue.h
+ * are used from sys/queue.h
  *
  * A singly-linked list is headed by a single forward pointer. The elements
  * are singly linked for minimum space and pointer manipulation overhead at