[AArch64]Update test aarch64-debug-types.c

This patch fix the failing tests by adding
REQUIRES: aarch64-registered-target

This tests was failing in non aarch64 cpu.
The test was introduced by:
 [CLANG][AArch64] Add the  modal 8 bit floating-point scalar type (#97277)

Author: CarolineConcatto

clang/test/CodeGen/aarch64-debug-types.c

@@ -1,5 +1,8 @@
 // RUN:  %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +neon  -target-feature +fp8 \
 // RUN:  -emit-llvm -o - %s -debug-info-kind=limited 2>&1 | FileCheck %s
+
+// REQUIRES: aarch64-registered-target
+
 #include<arm_neon.h>
 
 void test_locals(void) {