selftests: bpf: Enable gotox tests from arm64

arm64 JIT now supports gotox instruction and jumptables, so run tests in
verifier_gotox.c for arm64.

Signed-off-by: Puranjay Mohan <puranjay@kernel.org>
Reviewed-by: Anton Protopopov <a.s.protopopov@gmail.com>
Link: https://lore.kernel.org/r/20251117130732.11107-4-puranjay@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

Author: puranjaymohan

tools/testing/selftests/bpf/progs/verifier_gotox.c

@@ -6,7 +6,7 @@
 #include "bpf_misc.h"
 #include "../../../include/linux/filter.h"
 
-#ifdef __TARGET_ARCH_x86
+#if defined(__TARGET_ARCH_x86) || defined(__TARGET_ARCH_arm64)
 
 #define DEFINE_SIMPLE_JUMP_TABLE_PROG(NAME, SRC_REG, OFF, IMM, OUTCOME)	\
 									\
@@ -384,6 +384,6 @@ jt0_%=:								\
 	: __clobber_all);
 }
 
-#endif /* __TARGET_ARCH_x86 */
+#endif /* __TARGET_ARCH_x86 || __TARGET_ARCH_arm64 */
 
 char _license[] SEC("license") = "GPL";