Ports: Add luajit port

Ports/luajit/patches/0002-Serenity-doesn-t-have-setitimer.patch

@@ -0,0 +1,26 @@
+From a8fd0e7a0e83e768acb4503ba06b19875c2b03ab Mon Sep 17 00:00:00 2001
+From: circl <circl.lastname@gmail.com>
+Date: Sat, 19 Mar 2022 20:07:39 +0100
+Subject: [PATCH 2/2] Serenity doesn't have setitimer
+
+---
+ src/lj_arch.h | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/lj_arch.h b/src/lj_arch.h
+index ba7be19..0bd7b1b 100644
+--- a/src/lj_arch.h
++++ b/src/lj_arch.h
+@@ -490,6 +490,9 @@
+ #define LJ_HASFFI		1
+ #endif
+ 
++// FIXME: Disabled due to lack of setitimer
++#define LUAJIT_DISABLE_PROFILE
++
+ #if defined(LUAJIT_DISABLE_PROFILE)
+ #define LJ_HASPROFILE		0
+ #elif LJ_TARGET_POSIX
+-- 
+2.32.0
+