Coverity report fix for _linear_agebra_functions

Made changes similar to those made in _elementwise_common.py file,
where processing of order="A" keyword is done based on flags of
both src1 and src2 irrespective of type promotion steps necessary.

Author: oleksandr-pavlyk

dpctl/tensor/_linear_algebra_functions.py

@@ -765,25 +765,26 @@ def matmul(x1, x2, out=None, dtype=None, order="K"):
             # after being checked against x1
             out = dpt.empty_like(out)
 
+    if order == "A":
+        order = (
+            "F"
+            if all(
+                arr.flags.f_contiguous
+                for arr in (
+                    x1,
+                    x2,
+                )
+            )
+            else "C"
+        )
+
     if buf1_dt is None and buf2_dt is None:
         if out is None:
             if order == "K":
                 out = _empty_like_pair_orderK(
                     x1, x2, res_dt, res_shape, res_usm_type, exec_q
                 )
             else:
-                if order == "A":
-                    order = (
-                        "F"
-                        if all(
-                            arr.flags.f_contiguous
-                            for arr in (
-                                x1,
-                                x2,
-                            )
-                        )
-                        else "C"
-                    )
                 out = dpt.empty(
                     res_shape,
                     dtype=res_dt,
@@ -823,8 +824,6 @@ def matmul(x1, x2, out=None, dtype=None, order="K"):
         if order == "K":
             buf2 = _empty_like_orderK(x2, buf2_dt)
         else:
-            if order == "A":
-                order = "F" if x1.flags.f_contiguous else "C"
             buf2 = dpt.empty_like(x2, dtype=buf2_dt, order=order)
         ht_copy_ev, copy_ev = ti._copy_usm_ndarray_into_usm_ndarray(
             src=x2, dst=buf2, sycl_queue=exec_q
@@ -878,8 +877,6 @@ def matmul(x1, x2, out=None, dtype=None, order="K"):
         if order == "K":
             buf1 = _empty_like_orderK(x1, buf1_dt)
         else:
-            if order == "A":
-                order = "F" if x1.flags.f_contiguous else "C"
             buf1 = dpt.empty_like(x1, dtype=buf1_dt, order=order)
         ht_copy_ev, copy_ev = ti._copy_usm_ndarray_into_usm_ndarray(
             src=x1, dst=buf1, sycl_queue=exec_q
@@ -929,13 +926,11 @@ def matmul(x1, x2, out=None, dtype=None, order="K"):
             out = dpt.squeeze(out, tuple(appended_axes))
         return out
 
-    if order in ["K", "A"]:
+    if order == "K":
         if x1.flags.f_contiguous and x2.flags.f_contiguous:
             order = "F"
         elif x1.flags.c_contiguous and x2.flags.c_contiguous:
             order = "C"
-        else:
-            order = "C" if order == "A" else "K"
     if order == "K":
         buf1 = _empty_like_orderK(x1, buf1_dt)
     else: