v1.14 PSRAM support beta 03

This update includes the following:

• Enable the GC split heap option - enabling the use of both SRAM and PSRAM in the micropython heap.

v1.14 PSRAM support beta 02

This update merges in all the modifications outside of the addition of PSRAM support from the originating branch.

micropython v1.14 with PSRAM support beta 01

This is beta/preview RP2350 release for micropython v1.14, that includes support for PSRAM. The release is based on the under development branch for PSRAM on the micropython repository, along with additions from SparkFun.

This is a beta/preview release, so some issues might be encountered.

Specific updates:

• Binary for the SparkFun Pro Micro RP2350 board
• Support for PSRAM - the PSRAM is added to the overall bool of available ram within micro python