changing LICENSE.TXT to LICENSE.txt for rocprim_archive

The actual filename in the rocprim archive is LICENSE.txt (lowecase extension).
Updating the TF BUILD files to correct the name.

This change is needed to fix the broken `--config=rocm` build (post PR 26722 merge)

tensorflow/tools/lib_package/BUILD

@@ -198,7 +198,7 @@ genrule(
             "@grpc//third_party/address_sorting:LICENSE",
         ],
     ) + if_rocm([
-        "@rocprim_archive//:LICENSE.TXT",
+        "@rocprim_archive//:LICENSE.txt",
     ]) + tf_additional_license_deps(),
     outs = ["include/tensorflow/c/LICENSE"],
     cmd = "$(location :concat_licenses.sh) $(SRCS) >$@",
@@ -265,7 +265,7 @@ genrule(
         "//third_party/mkl:LICENSE",
         "//third_party/mkl_dnn:LICENSE",
     ]) + if_rocm([
-        "@rocprim_archive//:LICENSE.TXT",
+        "@rocprim_archive//:LICENSE.txt",
     ]) + tf_additional_license_deps(),
     outs = ["include/tensorflow/jni/LICENSE"],
     cmd = "$(location :concat_licenses.sh) $(SRCS) >$@",

tensorflow/tools/pip_package/BUILD

@@ -244,7 +244,7 @@ filegroup(
         "@nlohmann_json_lib//:LICENSE.MIT",
         "@tbb//:LICENSE",
     ]) + if_rocm([
-        "@rocprim_archive//:LICENSE.TXT",
+        "@rocprim_archive//:LICENSE.txt",
     ]) + tf_additional_license_deps(),
 )
 

third_party/rocprim.BUILD

@@ -2,7 +2,7 @@
 
 licenses(["notice"])  # BSD
 
-exports_files(["LICENSE.TXT"])
+exports_files(["LICENSE.txt"])
 
 load("@local_config_rocm//rocm:build_defs.bzl", "if_rocm", "rocm_default_copts")