Update pci.c

Change this to use io.h to define the in/out assembly instead of doing directly

kernel/pci.c

@@ -1,15 +1,5 @@
 #include "pci.h"
-
+#include "io.h"
-/* --- Internal I/O Helpers (If not defined in your kernel) --- */
-static inline void outl(uint16_t port, uint32_t val) {
-    __asm__ volatile ("outl %0, %1" : : "a"(val), "Nd"(port));
-}
-
-static inline uint32_t inl(uint16_t port) {
-    uint32_t ret;
-    __asm__ volatile ("inl %1, %0" : "=a"(ret) : "Nd"(port));
-    return ret;
-}
 
 /* --- Configuration Access Functions --- */