New VA108xx Rust workspace structure + dependency updates

- The workspace is now a monorepo without submodules. The HAL, PAC and BSP
  are integrated directly
- Update all dependencies: embedded-hal v1 and RTIC v2

.cargo/.gitignore

@@ -0,0 +1 @@
+config.toml

.cargo/def-config.toml

@@ -6,6 +6,10 @@
 # runner = "gdb -q -x openocd.gdb"
 runner = "gdb-multiarch -q -x jlink.gdb"
 
+# Probe-rs is currently problematic: https://github.com/probe-rs/probe-rs/issues/2567
+# runner = "probe-rs run --chip VA108xx --chip-description-path ./scripts/VA108xx_Series.yaml"
+# runner = ["probe-rs", "run", "--chip", "$CHIP", "--log-format", "{L} {s}"]
+
 rustflags = [
   # This is needed if your flash or ram addresses are not aligned to 0x10000 in memory.x
   # See https://github.com/rust-embedded/cortex-m-quickstart/pull/95
@@ -14,16 +18,14 @@ rustflags = [
   # LLD (shipped with the Rust toolchain) is used as the default linker
   "-C", "link-arg=-Tlink.x",
 
-  # if you run into problems with LLD switch to the GNU linker by commenting out
-  # this line
-  # "-C", "linker=/home/rmueller/.local/xPacks/@xpack-dev-tools/arm-none-eabi-gcc/10.2.1-1.1.2/.content/bin/arm-none-eabi-ld",
+  # knurling-rs tooling. If you want to use flip-link, ensure it is installed first.
+  # "-C", "linker=flip-link",
+  # Unfortunately, defmt is clunky to use without probe-rs..
+  # "-C", "link-arg=-Tdefmt.x",
+
+  # Can be useful for debugging.
+  "-Clink-args=-Map=app.map"
 
-  # if you need to link to pre-compiled C libraries provided by a C toolchain
-  # use GCC as the linker by commenting out both lines above and then
-  # uncommenting the three lines below
-  # "-C", "linker=/home/rmueller/.local/xPacks/@xpack-dev-tools/arm-none-eabi-gcc/10.2.1-1.1.2/.content/bin/arm-none-eabi-gcc",
-  # "-C", "link-arg=-Wl,-Tlink.x",
-  # "-C", "link-arg=-nostartfiles",
 ]
 
 [build]
@@ -34,4 +36,13 @@ target = "thumbv6m-none-eabi"        # Cortex-M0 and Cortex-M0+
 # target = "thumbv7em-none-eabihf"     # Cortex-M4F and Cortex-M7F (with FPU)
 # target = "thumbv8m.base-none-eabi"   # Cortex-M23
 # target = "thumbv8m.main-none-eabi"   # Cortex-M33 (no FPU)
-# target = "thumbv8m.main-none-eabihf" # Cortex-M33 (with FPU)
+# target = "thumbv8m.main-none-eabihf" # Cortex-M33 (with FPU)
+
+[alias]
+re = "run --example"
+rb = "run --bin"
+rrb = "run --release --bin"
+ut = "test --target x86_64-unknown-linux-gnu"
+
+[env]
+DEFMT_LOG = "info"