Added generic Argon2 implementation (conflicts with RandomX).

src/3rdparty/argon2/arch/generic/lib/argon2-arch.c

@@ -0,0 +1,20 @@
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "impl-select.h"
+
+#define rotr64(x, n) (((x) >> (n)) | ((x) << (64 - (n))))
+
+#include "argon2-template-64.h"
+
+void fill_segment_default(const argon2_instance_t *instance,
+                          argon2_position_t position)
+{
+    fill_segment_64(instance, position);
+}
+
+void argon2_get_impl_list(argon2_impl_list *list)
+{
+    list->count = 0;
+}