Kernel: Move RTC to Timer directory

PIT ms counter seems to be off by multiple seconds/minute. I will
be probably changing to HPET for system time

kernel/include/kernel/RTC.h

@@ -1,10 +0,0 @@
-#pragma once
-
-#include <BAN/Time.h>
-
-namespace RTC
-{
-
-	BAN::Time get_current_time();
-
-}

kernel/include/kernel/Timer/RTC.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <BAN/Time.h>
+
+namespace Kernel
+{
+
+	class RTC
+	{
+	public:
+		BAN::Time get_current_time();
+	
+	private:
+		bool is_update_in_progress();
+		uint8_t read_register8(uint8_t reg);
+		void get_time(BAN::Time& out);
+	};
+
+}

kernel/include/kernel/Timer/Timer.h

@@ -2,6 +2,7 @@
 
 #include <BAN/UniqPtr.h>
 #include <BAN/Vector.h>
+#include <kernel/Timer/RTC.h>
 
 namespace Kernel
 {
@@ -24,12 +25,16 @@ namespace Kernel
 		uint64_t ms_since_boot() const;
 		void sleep(uint64_t) const;
 
+		uint64_t get_unix_timestamp();
+
 	private:
 		TimerHandler() = default;
 
 		void initialize_timers();
 
 	private:
+		uint64_t m_boot_time { 0 };
+		BAN::UniqPtr<RTC> m_rtc;
 		BAN::Vector<BAN::UniqPtr<Timer>> m_timers;
 	};