[HW/Matcha] Add attr for CLK_EXT and CLK_BYP

1. Add default 0 to manual_attr_clk_ext and manual_attr_clk_byp at
   chiplevel.sv.tpl.

Change-Id: I00eb685281b4aae24d35e9d1ab40301e27c4d98f

hw/top_matcha/rtl/autogen/chip_matcha_asic.sv

diff --git a/hw/top_matcha/rtl/autogen/chip_matcha_asic.sv b/hw/top_matcha/rtl/autogen/chip_matcha_asic.sv
index 9f4cb53..221f4d4 100644
--- a/hw/top_matcha/rtl/autogen/chip_matcha_asic.sv
+++ b/hw/top_matcha/rtl/autogen/chip_matcha_asic.sv
@@ -1135,6 +1135,8 @@
   assign manual_attr_flash_test_mode1 = '0;
   assign manual_attr_flash_test_volt = '0;
   assign manual_attr_otp_ext_volt = '0;
+  assign manual_attr_clk_ext = '0;
+  assign manual_attr_clk_byp = '0;
 
   logic unused_manual_sigs;
   assign unused_manual_sigs = ^{

util/topgen_matcha/templates/chiplevel.sv.tpl

diff --git a/util/topgen_matcha/templates/chiplevel.sv.tpl b/util/topgen_matcha/templates/chiplevel.sv.tpl
index 87945c3..db1941b 100644
--- a/util/topgen_matcha/templates/chiplevel.sv.tpl
+++ b/util/topgen_matcha/templates/chiplevel.sv.tpl
@@ -800,6 +800,8 @@
   assign manual_attr_flash_test_mode1 = '0;
   assign manual_attr_flash_test_volt = '0;
   assign manual_attr_otp_ext_volt = '0;
+  assign manual_attr_clk_ext = '0;
+  assign manual_attr_clk_byp = '0;
 
   logic unused_manual_sigs;
   assign unused_manual_sigs = ^{