Fixed rom parameters envie private release

Rom size changed to 0x00120000

0x20000 - bootloader size
0x100000 - max application  size (wifi application is >900K)

Bootloader release for Arduino Envie board

Rom size changed to 0x00120000

0x20000 - bootloader size
0x100000 - max application  size (wifi application is >900K)

First private release

Bootloader for envie m7 support