Ed25519: don't define ASM functions when small

Small builds don't allow ASM implementations.
Don't have functions defined for ASM  when building small
implementation.

wolfssl/wolfcrypt/ge_operations.h

@@ -112,7 +112,6 @@ typedef struct {
  ge Z;
  ge T2d;
 } ge_cached;
-#endif /* !ED25519_SMALL */
 
 #ifdef CURVED25519_ASM
 void ge_p1p1_to_p2(ge_p2 *r, const ge_p1p1 *p);
@@ -124,6 +123,7 @@ void ge_msub(ge_p1p1 *r, const ge_p3 *p, const ge_precomp *q);
 void ge_add(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q);
 void ge_sub(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q);
 #endif
+#endif /* !ED25519_SMALL */
 
 #ifdef __cplusplus
  } /* extern "C" */