[Commboard V1p1 - M4 - GPRS] To migrate the bootloader M4 to the commboard V1p1 - GPRS version

[ralcaide]

To migrate the bootloader M4 to the commboard V2 (V1p1). It should be tested and work properly the GPRS version using Quectel M95

It should be integrated also the new Quectel M95 driver

[ralcaide]

The new Quectel M95 Driver has been developed in other product. It should be here integrated

[ralcaide]

In the bootloader CortexM3 have been already done:

• https://github.com/Sinapse-Energia/bootloader-stm32/commits/CortexM3
• I think, in the following commit you have all the required changes: https://github.com/Sinapse-Energia/bootloader-stm32/commit/ff8f3c23231215591bc1dfabaed4d5ea9c5e19c5

There is a new mechanism to use M95 that ease the creation of connection flows. The DMA was also included.

It is necessary to perform the same changes into the GPRS connection of the bootloader and also the AP