misc: generated: update configs.c template with <zephyr/...> prefix

The generated file did not use the new Zephyr include prefix.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>

Author: gmarull

misc/generated/configs.c.in

@@ -4,7 +4,7 @@
 
 /* file is auto-generated, do not modify ! */
 
-#include <toolchain.h>
+#include <zephyr/toolchain.h>
 
 GEN_ABS_SYM_BEGIN (_ConfigAbsSyms)