Fixed location of html documentation in hip_doc package

[ROCm/clr commit: 993830cec8]

projects/clr/hipamd/packaging/hip_doc.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 2.8.3)
 project(hip_doc)
 
-install(DIRECTORY @hip_SOURCE_DIR@/docs/RuntimeAPI/html DESTINATION .)
+install(DIRECTORY @hip_SOURCE_DIR@/docs/RuntimeAPI/html DESTINATION docs)
 
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 # Packaging steps