Fix hipcc for extracing clang version

On teamcity clang --version returns something like

clang version 12.0.0
Target: x86_64-unknown-linux-gnu

currently hipcc does not handle it correctly since [^ ] causes new line and Targe:
matched. \S will make sure only version string matched.

Change-Id: I3659d6daf89b709d2b001e6b8024d69d8b79efc0

bin/hipcc

@@ -201,7 +201,7 @@ if ($HIP_PLATFORM eq "hcc" and $HIP_COMPILER eq "clang") {
     }
 
     $HIP_CLANG_VERSION = `$HIPCC --version`;
-    $HIP_CLANG_VERSION=~/.*clang version ([^ ]+).*/;
+    $HIP_CLANG_VERSION=~/.*clang version (\S+).*/;
     $HIP_CLANG_VERSION=$1;
 
     if (! defined $HIP_CLANG_INCLUDE_PATH) {

bin/hipconfig

@@ -139,7 +139,7 @@ if ($HIP_COMPILER eq "clang") {
         $HIP_CLANG_PATH = "$HIP_ROCCLR_HOME/bin";
     }
     $HIP_CLANG_VERSION = `$HIP_CLANG_PATH/clang++ --version`;
-    $HIP_CLANG_VERSION=~/.*clang version ([^ ]+).*/;
+    $HIP_CLANG_VERSION=~/.*clang version (\S+).*/;
     $HIP_CLANG_VERSION=$1;
 
     $CPP_CONFIG = " -D__HIP_PLATFORM_HCC__=  -I$HIP_PATH/include -I$HIP_CLANG_PATH/../lib/clang/$HIP_CLANG_VERSION -I$HSA_PATH/include";