Raspberry Pico2 - needs protos

variants/rpipico2/platformio.ini

@@ -0,0 +1,16 @@
+[env:pico2]
+extends = rp2350_base
+board = rpipico2
+upload_protocol = picotool
+
+# add our variants files to the include and src paths
+build_flags = ${rp2350_base.build_flags} 
+  -DRPI_PICO2
+  -Ivariants/rpipico2
+  -DDEBUG_RP2040_PORT=Serial
+  -DHW_SPI1_DEVICE
+  -L "${platformio.libdeps_dir}/${this.__env__}/bsec2/src/cortex-m0plus"
+lib_deps =
+  ${rp2350_base.lib_deps}
+debug_build_flags = ${rp2350_base.build_flags}
+debug_tool = cmsis-dap ; for e.g. Picotool