uc_ctl proposal (#1473)

* Add uc_ctl

* Add comments

* Slightly changed for bindings generation

* Generate bindings

bindings/pascal/unicorn/RiscvConst.pas

@@ -5,6 +5,16 @@ unit RiscvConst;
 interface
 
 const
+  UC_CPU_RISCV32_ANY = 0;
+  UC_CPU_RISCV32_BASE32 = 1;
+  UC_CPU_RISCV32_SIFIVE_E31 = 2;
+  UC_CPU_RISCV32_SIFIVE_U34 = 3;
+
+  UC_CPU_RISCV64_ANY = 0;
+  UC_CPU_RISCV64_BASE64 = 1;
+  UC_CPU_RISCV64_SIFIVE_E51 = 2;
+  UC_CPU_RISCV64_SIFIVE_U54 = 3;
+
 // RISCV registers
 
   UC_RISCV_REG_INVALID = 0;