Add ACPI I2C resources scheme endpoint and shared acpi-resource crate

- Add /scheme/acpi/resources/<device> endpoint to acpid for _CRS evaluation
- Extract acpi-resource shared crate (917 lines) with ResourceDescriptor types
- Eliminate duplicate type definitions in 5 consumers (i2c-hidd, dw-acpi-i2cd,
  intel-thc-hidd, i2c-gpio-expanderd, ucsid)
- Add P2-acpi-i2c-resources.patch (48KB) with all source changes
- Update ACPI-I2C-HID-IMPLEMENTATION-PLAN.md to reflect actual codebase state

recipes/core/base/P2-acpi-i2c-resources.patch

@@ -0,0 +1 @@
+../../../local/patches/base/P2-acpi-i2c-resources.patch

recipes/core/base/recipe.toml

@@ -1,6 +1,6 @@
 [source]
 git = "https://gitlab.redox-os.org/redox-os/base.git"
-patches = ["redox.patch", "P2-boot-runtime-fixes.patch"]
+patches = ["redox.patch", "P2-boot-runtime-fixes.patch", "P2-acpi-i2c-resources.patch"]
 
 [build]
 template = "custom"