[pwm,dv] fix include path

A toggle exclude file is loaded for the pwm coverage collection. The
provided path was not available because the variable self_dir was not
defined.

Signed-off-by: Michael Gautschi <[email protected]>

Author: gautschimi

hw/dv/tools/dvsim/common_sim_cfg.hjson

@@ -77,6 +77,7 @@
   // Default list of things to export to shell
   exports: [
     { dv_root: "{dv_root}" },
+    { self_dir: "{self_dir}" },
     { SIMULATOR: "{tool}" },
     { GUI: "{gui}"},
     { GUI_DEBUG: "{gui_debug}"},

hw/ip_templates/pwm/dv/cov/cover.ccf

@@ -6,4 +6,4 @@
 include_ccf ${dv_root}/tools/xcelium/cover.ccf
 
 // Exclude some impossible toggle coverage
-set_toggle_excludefile -bitexclude ${self_dir}/toggle.exclude
+set_toggle_excludefile -bitexclude ${self_dir}/cov/toggle.exclude

hw/top_earlgrey/ip_autogen/pwm/dv/cov/cover.ccf

@@ -6,4 +6,4 @@
 include_ccf ${dv_root}/tools/xcelium/cover.ccf
 
 // Exclude some impossible toggle coverage
-set_toggle_excludefile -bitexclude ${self_dir}/toggle.exclude
+set_toggle_excludefile -bitexclude ${self_dir}/cov/toggle.exclude