build.py: Add Timeout customization

resources/build.py

@@ -1007,6 +1007,9 @@ class BuildOpenCore:
         else:
             print("- Hiding OpenCore picker")
             self.config["Misc"]["Boot"]["ShowPicker"] = False
+        if self.constants.oc_timeout != 5:
+            print(f"- Setting custom OpenCore picker timeout to {self.constants.oc_timeout} seconds")
+            self.config["Misc"]["Boot"]["Timeout"] = self.constants.oc_timeout
         if self.constants.vault is True:
             print("- Setting Vault configuration")
             self.config["Misc"]["Security"]["Vault"] = "Secure"

resources/constants.py

@@ -204,6 +204,7 @@ class Constants:
         self.host_is_hackintosh = False #     Determine if host is Hackintosh
         self.commit_info = (None, None, None)
         self.set_vmm_cpuid = False  #          Set VMM bit inside CPUID
+        self.oc_timeout = 5  #                 Set OpenCore timeout
 
         self.legacy_accel_support = [
             os_data.os_data.big_sur,