Zvkg Test Generation and Covergroup Generation

coverpoints/coverage/RISCV_coverage_base_init.svh

@@ -670,3 +670,7 @@
         `cover_info("//      Zvkb8 - Enabled");
         `include "Zvkb8_coverage_init.svh"
     `endif
+    `ifdef COVER_ZVKG
+        `cover_info("//      Zvkg - Enabled");
+        `include "Zvkg_coverage_init.svh"
+    `endif

coverpoints/coverage/RISCV_coverage_base_sample.svh

@@ -505,3 +505,6 @@
     `ifdef COVER_ZVKB8
         zvkb8_sample(hart, issue, ins);
     `endif
+    `ifdef COVER_ZVKG
+        zvkg_sample(hart, issue, ins);
+    `endif

coverpoints/coverage/RISCV_coverage_config.svh

@@ -506,3 +506,6 @@
 `ifdef ZVKB8_COVERAGE
   `include "Zvkb8_coverage.svh"
 `endif
+`ifdef ZVKG_COVERAGE
+  `include "Zvkg_coverage.svh"
+`endif

coverpoints/coverage/RISCV_instruction_sample.svh

@@ -2495,6 +2495,15 @@
             ins.add_vm(3);
             ins.add_v0();
         end
+        "vghsh.vv"     : begin
+            ins.add_vd(0);
+            ins.add_vs2(1);
+            ins.add_vs1(2);
+        end
+        "vgmul.vv"     : begin
+            ins.add_vd(0);
+            ins.add_vs2(1);
+        end
         "vid.v"     : begin
             ins.add_vd(0);
             ins.add_vm(1);