Add unratified Smclic, Ssclic, Smclicshv extensions

Spec: https://github.com/riscv/riscv-fast-interrupt
Tests: riscv-non-isa/riscv-arch-test#436

Author: dansmathers

handwritten_support/riscv_extras.lem

@@ -193,6 +193,14 @@ val plat_clint_size : unit -> bitvector
 let plat_clint_size () = []
 declare ocaml target_rep function plat_clint_size = `Platform.clint_size`
 
+val plat_clic_base : unit -> bitvector
+let plat_clic_base () = []
+declare ocaml target_rep function plat_clic_base = `Platform.clic_base`
+
+val plat_clic_size : unit -> bitvector
+let plat_clic_size () = []
+declare ocaml target_rep function plat_clic_size = `Platform.clic_size`
+
 val plat_enable_dirty_update : unit -> bool
 let plat_enable_dirty_update () = false
 declare ocaml target_rep function plat_enable_dirty_update = `Platform.enable_dirty_update`

handwritten_support/riscv_extras_sequential.lem

@@ -181,6 +181,14 @@ val plat_clint_size : forall 'a. Size 'a => unit -> bitvector 'a
 let plat_clint_size () = wordFromInteger 0
 declare ocaml target_rep function plat_clint_size = `Platform.clint_size`
 
+val plat_clic_base : forall 'a. Size 'a => unit -> bitvector 'a
+let plat_clic_base () = wordFromInteger 0
+declare ocaml target_rep function plat_clic_base = `Platform.clic_base`
+
+val plat_clic_size : forall 'a. Size 'a => unit -> bitvector 'a
+let plat_clic_size () = wordFromInteger 0
+declare ocaml target_rep function plat_clic_size = `Platform.clic_size`
+
 val plat_enable_dirty_update : unit -> bool
 let plat_enable_dirty_update () = false
 declare ocaml target_rep function plat_enable_dirty_update = `Platform.enable_dirty_update`