complier.h: add __noreturn and use it in code base

Add a __noreturn macro that wraps __attribute__((noreturn)) and replace
current users with the macro.

Change-Id: Iddd0728cf79678c3d1c1f7e7946c27375a644a7d
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/28505
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/console/die.c

@@ -20,7 +20,6 @@
 #include <halt.h>
 
 #ifndef __ROMCC__
-#define NORETURN __attribute__((noreturn))
 
 /*
  * The method should be overwritten in mainboard directory to signal that a
@@ -33,7 +32,7 @@ __weak void die_notify(void)
 }
 
 /* Report a fatal error */
-void NORETURN die(const char *msg)
+void __noreturn die(const char *msg)
 {
 	printk(BIOS_EMERG, "%s", msg);
 	die_notify();