v1.0.0

What's Changed

• Update to Pico-SDK 2.1.0 release
  • introduction of Picotool to convert .elf to .uf2
  • update on path for pad_checksum when generating boot2_patch.s
• small bug fixes
  • when calling make, make all is called automatically instead of make clean
  • XIP_SSI_CTRLR1 not written correctly on boot2.s
  • Makefile updated on example 12_uart_irq