Fix inconsistent-declaration-parameter-name

Fix the ClangTidy readability-inconsistent-declaration-parameter-name
warning:
function 'av1_quantize_lp_neon' has a definition with different
parameter names

BUG=aomedia:3162

Change-Id: I2d521a86d989cfcc2fbd7949211ec08f588a8cc2
diff --git a/av1/encoder/arm/neon/quantize_neon.c b/av1/encoder/arm/neon/quantize_neon.c
index 7e028f5..f16d8f1 100644
--- a/av1/encoder/arm/neon/quantize_neon.c
+++ b/av1/encoder/arm/neon/quantize_neon.c
@@ -129,7 +129,7 @@
   vst1q_s16(dqcoeff, vcombine_s16(vmovn_s32(dqcoeff_0), vmovn_s32(dqcoeff_1)));
 }
 
-void av1_quantize_lp_neon(const int16_t *coeff_ptr, intptr_t count,
+void av1_quantize_lp_neon(const int16_t *coeff_ptr, intptr_t n_coeffs,
                           const int16_t *round_ptr, const int16_t *quant_ptr,
                           int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
                           const int16_t *dequant_ptr, uint16_t *eob_ptr,
@@ -174,7 +174,7 @@
     v_dequant = vmovq_n_s16(dequant_ptr[1]);
   }
   // now process the rest of the ac coeffs
-  for (int i = 8; i < count; i += 8) {
+  for (int i = 8; i < n_coeffs; i += 8) {
     const int16x8_t v_iscan = vld1q_s16(&iscan[i]);
     const int16x8_t v_coeff = vld1q_s16(coeff_ptr + i);
     const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);