[PR107304] note test's ifunc requirement

The test uses target_clones, that requires ifunc support.


for  gcc/testsuite/ChangeLog

	PR target/107304
	* gcc.target/i386/pr107304.c: dg-require ifunc support.

gcc/testsuite/gcc.target/i386/pr107304.c

@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O0 -march=tigerlake" } */
+/* { dg-require-ifunc "" } */
 
 #include <stdint.h>