Add Arduino Portenta H7 target

Add some defines for Envie

Change Envie base clock

Add QSPI support

Add Envie support

Fix some pinmux

Add ENVIE folder in TARGET_WICED

Add ethernet support

Partially port Envie to mainline

Add USBDEVICE support to H747

Declare USB pins for Envie

[ENVIE] Add pin definitions

Envie: restore HSEM irq handlers

ENVIE: enable setting an app offset

Envie: make Ethernet support mainlineable

Envie: ETH: set GPIo speed as very high

ENVIE: fix power tree

Envie: use complete pin_peripheral from ST

Envie: Adjust PLL

EnvieM4: fix available RAM

Envie: fix OTG USB functionality

Envie: remove fake arduino pins

ENVIE: fix build after removing Arduino pins

Envie: fix analog pinmux

Envie: force using external crystal

Enable oscillator at startup

Envie: Fix clock

EnvieM4: move OpenAMP defines to library

Envie: M4: eth: don't try to disable nonexisting caches

Envie: Cordio: restore functionality

Portenta: ETH: reset phy and add sw pinstrap

Envie: fix MCU name and remove SERIAL_ASYNC

Portenta: ethernet: set pinstrap to autonegoziation, 100Mbit

Portenta: fix HSI PLL multiplier

Portenta: use PWR_SMPS_1V8_SUPPLIES_LDO power scheme

Envie: delay oscillator start for Abracom

added initialization for HSICalibrationValue to prevent random clock setting

Added mbed original LED naming

Author: facchinm

components/wifi/esp8266-driver/mbed_lib.json

@@ -103,6 +103,10 @@
         "NUCLEO_F411RE": {
             "tx": "D8",
             "rx": "D2"
+        },
+        "PORTENTA_H7": {
+            "tx": "PA_9",
+            "rx": "PA_10"
         }
     }
 }