Relax initialization of Quantized Addition microkernel parameters

Refactor initialization of QU8/QS8 ADD/ADDC microkernel parameters to take a
function pointer with a standardized interface.

PiperOrigin-RevId: 385686841
diff --git a/src/qs8-vaddc/gen/minmax-xop-mul32-ld32-x24.c b/src/qs8-vaddc/gen/minmax-xop-mul32-ld32-x24.c
index ff006d1..f68096e 100644
--- a/src/qs8-vaddc/gen/minmax-xop-mul32-ld32-x24.c
+++ b/src/qs8-vaddc/gen/minmax-xop-mul32-ld32-x24.c
@@ -25,7 +25,7 @@
     const int8_t* input_x,
     const int8_t* input_y,
     int8_t* output,
-    const union xnn_qs8_add_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
+    const union xnn_qs8_add_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
 {
   const __m128i vx_multiplier = _mm_load_si128((const __m128i*) params->sse2.x_multiplier);
   const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask);