Merge pull request #2315 from afbjorklund/cputype-riscv64

Document the cpuType default for riscv64

Author: jandubois

examples/default.yaml

@@ -259,6 +259,8 @@ cpuType:
   armv7l: null
   # 🟢 Builtin default: "qemu64" (or "host,-pdpe1gb" when running on x86_64 host)
   x86_64: null
+  # 🟢 Builtin default: "rv64" (or "host" when running on riscv64 host)
+  riscv64: null
 
 rosetta:
   # Enable Rosetta for Linux (EXPERIMENTAL).