Kernel: Add and use bitwise operators to CPUFeature

Author: https://github.com/Hendiadyoin1
Commit: 150e6a59c0
Pull-request: https://github.com/SerenityOS/serenity/pull/13196
Reviewed-by: https://github.com/linusg ✅

Kernel/Arch/x86/Processor.h

@@ -399,7 +399,7 @@ public:
 
     ALWAYS_INLINE bool has_feature(CPUFeature f) const
     {
-        return (static_cast<u32>(m_features) & static_cast<u32>(f)) != 0;
+        return has_flag(m_features, f);
     }
 
     void check_invoke_scheduler();