arm_dynarmic: Make MakeJit() a const member function

This functions doesn't modify instance state, so it can be a made a
const member function.

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -102,8 +102,8 @@ public:
     u64 tpidr_el0 = 0;
 };
 
-std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() {
-    const auto page_table = Core::CurrentProcess()->vm_manager.page_table.pointers.data();
+std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
+    auto** const page_table = Core::CurrentProcess()->vm_manager.page_table.pointers.data();
 
     Dynarmic::A64::UserConfig config;
 

src/core/arm/dynarmic/arm_dynarmic.h

@@ -50,7 +50,7 @@ public:
     void PageTableChanged() override;
 
 private:
-    std::unique_ptr<Dynarmic::A64::Jit> MakeJit();
+    std::unique_ptr<Dynarmic::A64::Jit> MakeJit() const;
 
     friend class ARM_Dynarmic_Callbacks;
     std::unique_ptr<ARM_Dynarmic_Callbacks> cb;