Kernel: Make HardwareTimer::model() return StringView

Kernel/Time/APICTimer.h

@@ -16,7 +16,7 @@ class APICTimer final : public HardwareTimer<GenericInterruptHandler> {
 public:
     static APICTimer* initialize(u8, HardwareTimerBase&);
     virtual HardwareTimerType timer_type() const override { return HardwareTimerType::LocalAPICTimer; }
-    virtual const char* model() const override { return "LocalAPIC"; }
+    virtual StringView model() const override { return "LocalAPIC"sv; }
     virtual size_t ticks_per_second() const override;
 
     virtual bool is_periodic() const override { return m_timer_mode == APIC::TimerMode::Periodic; }

Kernel/Time/HPETComparator.h

@@ -19,7 +19,7 @@ public:
     static NonnullRefPtr<HPETComparator> create(u8 number, u8 irq, bool periodic_capable, bool is_64bit_capable);
 
     virtual HardwareTimerType timer_type() const override { return HardwareTimerType::HighPrecisionEventTimer; }
-    virtual const char* model() const override { return "HPET"; }
+    virtual StringView model() const override { return "HPET"sv; }
 
     u8 comparator_number() const { return m_comparator_number; }
     bool is_enabled() const { return m_enabled; }

Kernel/Time/HardwareTimer.h

@@ -35,7 +35,7 @@ public:
     // classes then should forward this to e.g. GenericInterruptHandler.
     virtual void will_be_destroyed() = 0;
 
-    virtual const char* model() const = 0;
+    virtual StringView model() const = 0;
     virtual HardwareTimerType timer_type() const = 0;
     virtual Function<void(const RegisterState&)> set_callback(Function<void(const RegisterState&)>) = 0;
 

Kernel/Time/PIT.h

@@ -36,7 +36,7 @@ class PIT final : public HardwareTimer<IRQHandler> {
 public:
     static NonnullRefPtr<PIT> initialize(Function<void(const RegisterState&)>);
     virtual HardwareTimerType timer_type() const override { return HardwareTimerType::i8253; }
-    virtual const char* model() const override { return "i8254"; }
+    virtual StringView model() const override { return "i8254"sv; }
     virtual size_t ticks_per_second() const override;
 
     virtual bool is_periodic() const override { return m_periodic; }

Kernel/Time/RTC.h

@@ -15,7 +15,7 @@ class RealTimeClock final : public HardwareTimer<IRQHandler> {
 public:
     static NonnullRefPtr<RealTimeClock> create(Function<void(const RegisterState&)> callback);
     virtual HardwareTimerType timer_type() const override { return HardwareTimerType::RTC; }
-    virtual const char* model() const override { return "Real Time Clock"; }
+    virtual StringView model() const override { return "Real Time Clock"sv; }
     virtual size_t ticks_per_second() const override;
 
     virtual bool is_periodic() const override { return true; }