feat: expand Intel GPU display management

programs/include/libc/montauk.h

@@ -177,6 +177,10 @@ extern "C" {
 #define MTK_SYS_GETEXECPATH        151
 #define MTK_SYS_STAT               152
 #define MTK_SYS_SETUNIXTIME        153
+#define MTK_SYS_DISPLAYINFO        154
+#define MTK_SYS_DISPLAYMODES       155
+#define MTK_SYS_DISPLAYSETMODE     156
+#define MTK_SYS_DISPLAYBRIGHTNESS  157
 /* @SYSCALLS-END */
 
 #define MTK_SOCK_TCP 1