v1.7.1 to use Ethernet_Generic library

### Releases v1.7.1

1. Use new [Ethernet_Generic library](https://github.com/khoih-prog/Ethernet_Generic) as default for W5x00.
2. Support SPI2 for ESP32
3. Add support to SPI1 for RP2040 using [arduino-pico core](https://github.com/earlephilhower/arduino-pico)
4. Use new function `waitForLink()` for Teensy 4.1 QNEthernet library v0.14.0+
5. Rewrite all the examples to support those new features
6. Update `Packages' Patches`

Author: khoih-prog

examples/WT32_ETH01/Basic_Insert_WT32_ETH01/Basic_Insert_WT32_ETH01.ino

@@ -92,7 +92,7 @@ MySQL_Query *query_mem;
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Basic_Insert_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Basic_Select_WT32_ETH01/Basic_Select_WT32_ETH01.ino

@@ -98,7 +98,7 @@ MySQL_Query sql_query = MySQL_Query(&conn);
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Basic_Select_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Complex_Insert_WT32_ETH01/Complex_Insert_WT32_ETH01.ino

@@ -125,7 +125,7 @@ char *dtostrf(double val, signed char width, unsigned char prec, char *sout)
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Complex_Insert_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Complex_Select_WT32_ETH01/Complex_Select_WT32_ETH01.ino

@@ -98,7 +98,7 @@ MySQL_Connection conn((Client *)&client);
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Complex_Select_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Connect_Default_Database_WT32_ETH01/Connect_Default_Database_WT32_ETH01.ino

@@ -81,7 +81,7 @@ MySQL_Connection conn((Client *)&client);
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Connect_Default_Database_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Connect_Disconnect_WT32_ETH01/Connect_Disconnect_WT32_ETH01.ino

@@ -81,7 +81,7 @@ MySQL_Query query = MySQL_Query(&conn);
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Connect_Disconnect_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Connect_WT32_ETH01/Connect_WT32_ETH01.ino

@@ -81,7 +81,7 @@ MySQL_Connection conn((Client *)&client);
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Connect_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Query_Progmem_WT32_ETH01/Query_Progmem_WT32_ETH01.ino

@@ -83,7 +83,7 @@ MySQL_Connection conn((Client *)&client);
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Query_Progmem_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Query_Results_WT32_ETH01/Query_Results_WT32_ETH01.ino

@@ -83,7 +83,7 @@ MySQL_Connection conn((Client *)&client);
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Query_Results_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);

examples/WT32_ETH01/Reboot_WT32_ETH01/Reboot_WT32_ETH01.ino

@@ -78,7 +78,7 @@ MySQL_Query query = MySQL_Query(&conn);
 void setup()
 {
   Serial.begin(115200);
-  while (!Serial);
+  while (!Serial && millis() < 5000); // wait for serial port to connect
 
   MYSQL_DISPLAY1("\nStarting Reboot_WT32_ETH01 on", BOARD_NAME);
   MYSQL_DISPLAY(WEBSERVER_WT32_ETH01_VERSION);