ESP32-S2: Add driver for I2C peripheral in Master mode

[gustavonihei]

Summary

This PR intends to add driver support for the I2C peripheral for the ESP32-S2 chip.

Features:

• Operation currently restricted to Master mode only
• Support for both I2C0 and I2C1
• Support for Interrupts and Polled mode (CONFIG_I2C_POLLED=y)
• Support for I2C Character device driver (CONFIG_I2C_DRIVER=y)

Impact

New feature for ESP32-S2 chip.

Testing

esp32s2-saola-1:i2c
Using I2C tool (CONFIG_SYSTEM_I2CTOOL), the driver was validated via integration with an external BMP180 pressure sensor module, on both I2C0 and I2C1 interfaces.

NuttShell (NSH) NuttX-10.3.0
nsh> ls /dev
/dev:
 console
 i2c0
 i2c1
 null
 ttyS0
nsh> i2c get -a 77 -r d0
i2cdrvr_ioctl: cmd=2101 arg=3ffb6370
i2c_transfer: Message 0 transfer complete.
i2c_transfer: Message 1 transfer complete.
Elapsed time: 0
 1. STATUS: 37008001 COUNT:   1 EVENT: SENDADDR  ( 1) PARM: 00000077 TIME: 0
 2. STATUS: 37008001 COUNT:   1 EVENT: RCVMODEEN ( 3) PARM: 00000000 TIME: 0
 3. STATUS: 37008101 COUNT:   1 EVENT: RCVBYTE   ( 4) PARM: 00000000 TIME: 0
 4. STATUS: 37008001 COUNT:   1 EVENT: STOP      ( 5) PARM: 00000001 TIME: 0
READ Bus: 0 Addr: 77 Subaddr: d0 Value: 55
nsh>