refactor(kernel): minor refactor. Changed naming convention

Kernel/Source/IO/Serial.c

@@ -0,0 +1,25 @@
+#include <IO/Serial.h>
+#include <Arch/IO.h>
+#include <Arch/CPU.h>
+
+Int32 IOSerialPutCharacter(ASCII character) {
+    // TXFF -- TRansmit FIFO Full for PL011 is 5 bit of FR reg (0x18)
+    UInt64 uartFR = kUARTBaseAddress + 0x18; 
+
+    while ((IOAddressRead32(uartFR) & (1 << 5)) != 0)  {
+        CPUYield();
+    }
+
+    IOAddressWrite32(kUARTBaseAddress, character);
+    return character;
+}
+
+Int32 IOSerialPutString(const ASCII* string) {
+    Int i = 0;
+    while (string[i] != '\0') {
+        IOSerialPutCharacter(string[i]);
+        i++;
+    }
+
+    return i;
+}