Add Mac GPU whl artifacts and build history to OSS README.md

Also
* A minor wording fix in the configure script
Change: 128194769
diff --git a/configure b/configure
index 20bbf12..9ab6ea6 100755
--- a/configure
+++ b/configure
@@ -90,7 +90,7 @@
   fromuser=""
   if [ -z "$GCC_HOST_COMPILER_PATH" ]; then
     default_gcc_host_compiler_path=$(which gcc)
-    read -p "Please specify which gcc nvcc should use as the host compiler. [Default is $default_gcc_host_compiler_path]: " GCC_HOST_COMPILER_PATH
+    read -p "Please specify which gcc should be used by nvcc as the host compiler. [Default is $default_gcc_host_compiler_path]: " GCC_HOST_COMPILER_PATH
     fromuser="1"
     if [ -z "$GCC_HOST_COMPILER_PATH" ]; then
       GCC_HOST_COMPILER_PATH=$default_gcc_host_compiler_path