[TCPIP] Synchronize LWIP code to 2.2.0

- take code from STABLE-2_2_0_RELEASE commit on https://git.savannah.gnu.org/git/lwip.git
- remove lwip/contrib directory
- do required changes due to upgrade in
  * CMakeLists.txt
  * include/lwip/arch/cc.h
  * include/lwip/arch/sys_arch.h
  * include/lwip/lwipopts.h
  * include/tcpip.h
  * ip/CMakeLists.txt
  * ip/lwip_glue/lwip_glue.h
  * ip/lwip_glue/tcp.c
  * ip/transport/tcp/if.c
  * tcpip/icmp.c

CORE-13098

drivers/network/tcpip/include/lwip/arch/cc.h

@@ -15,23 +15,6 @@ free(void *mem);
 void *
 realloc(void *mem, size_t size);
 
-/* mem_trim() must trim the buffer without relocating it.
- * Since we can't do that, we just return the buffer passed in unchanged */
-#define mem_trim(_m_, _s_) (_m_)
-
-/* Unsigned int types */
-typedef unsigned char u8_t;
-typedef unsigned short u16_t;
-typedef unsigned long u32_t;
-
-/* Signed int types */
-typedef signed char s8_t;
-typedef signed short s16_t;
-typedef signed long s32_t;
-
-/* Memory pointer */
-typedef ULONG_PTR mem_ptr_t;
-
 /* Printf/DPRINT formatters */
 #define U16_F "hu"
 #define S16_F "hd"

drivers/network/tcpip/include/lwip/arch/sys_arch.h

@@ -27,6 +27,9 @@ typedef struct _LWIP_MESSAGE_CONTAINER
 
 #define sys_jiffies() sys_now()
 
+/* There is no such thing as "from ISR" for us */
+#define sys_mbox_trypost_fromisr sys_mbox_trypost
+
 /* NULL definitions */
 #define SYS_MBOX_NULL NULL
 #define SYS_SEM_NULL NULL

drivers/network/tcpip/include/lwip/lwipopts.h

@@ -11,6 +11,7 @@
 /* Define LWIP_COMPAT_MUTEX if the port has no mutexes and binary semaphores
  should be used instead */
 #define LWIP_COMPAT_MUTEX               1
+#define LWIP_COMPAT_MUTEX_ALLOWED       1
 
 #define MEM_ALIGNMENT                   4