Implement basic CPU detection

OpenCore-Patcher.command

@@ -195,7 +195,7 @@ B. Exit
                     'If you plan to create the USB for another machine, please select the "Change Model" option in the menu.'
                 ]
             elif not self.constants.custom_model and self.current_model == "iMac7,1" and \
-                    "SSE4.1" not in subprocess.run("sysctl machdep.cpu.features".split(), stdout=subprocess.PIPE, stderr=subprocess.STDOUT).stdout.decode():
+                    DeviceProbe.pci_probe().cpu_feature("SSE4.1") is False:
                 in_between = [
                     'Your model requires a CPU upgrade to a CPU supporting SSE4.1+ to be supported by this patcher!',
                     '',

Resources/DeviceProbe.py

@@ -88,6 +88,15 @@ class pci_probe:
             print(f"- No IOService entry found for Wireless Card (I)")
             return "", "", "", ""
 
+    def cpu_feature(self, instruction):
+        cpu_features = subprocess.run("sysctl machdep.cpu.features".split(), stdout=subprocess.PIPE).stdout.decode().partition(": ")[2].strip().split(" ")
+        if instruction in cpu_features:
+            print(f"- Found {instruction} support")
+            return True
+        else:
+            print(f"- Failed to find {instruction} support")
+            return False
+
 class smbios_probe:
     def model_detect(self, custom):
         opencore_model: str = subprocess.run("nvram 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:oem-product".split(), stdout=subprocess.PIPE, stderr=subprocess.STDOUT).stdout.decode()