feat: added support for waiting on an irq

kernel/libk/syscall.h

@@ -4,14 +4,17 @@
 
 #ifndef NEW_KERNEL_SYSCALL_H
 #define NEW_KERNEL_SYSCALL_H
-
+#include <types.h>
 #include <attributes.h>
 
 #define SYSCALL_START_SCHEDULER 0x01
 #define SYSCALL_YIELD_JOB       0x02
-
-void syscall_yield_job();
+#define SYSCALL_YIELD_IRQ       0x03
 
 void noreturn syscall_start_scheduler();
 
+void syscall_yield_job();
+
+void syscall_yield_irq(uint16_t irq);
+
 #endif //NEW_KERNEL_SYSCALL_H