remove dtype and replace with precision

Author: syedshazli

torchao/quantization/linear_quant_modules.py

@@ -108,9 +108,6 @@ def __init__(
         self.precision = precision
         self.scales_precision = scales_precision
 
-        if dtype is not None:
-            raise ValueError("Please specify 'precision' instead of 'dtype'")
-
         assert out_features % 8 == 0, "require out_features % 8 == 0"
         assert in_features % (inner_k_tiles * 16) == 0, (
             "require in_features % (innerKTiles * 16) == 0"
@@ -123,7 +120,7 @@ def __init__(
                         out_features,
                         in_features // 2,
                     ),
-                    dtype=torch.uint8,
+                    precision=torch.uint8,
                     device=device,
                 ),
             )
@@ -137,11 +134,11 @@ def __init__(
                         32,
                         inner_k_tiles // 2,
                     ),
-                    dtype=torch.int32,
+                    precision=torch.int32,
                     device=device,
                 ),
             )
-        self.dtype = dtype
+        self.precision = precision
         self.register_buffer(
             "scales_and_zeros",
             torch.zeros(