SWDEV-271363 - Fix undefined HIP_VERSION_GITDATE

HIP_VERSION_GITDATE won't be defined when git isn't
installed. This will lead to building failure of
deviceLib.hipVersion. When git isn't installed, set
HIP_VERSION_GITDATE as 0 by default.

Change-Id: Icf5763449ccec833d9efda90ffe3a86fb53bdb82


[ROCm/clr commit: 1338ebde58]

projects/clr/hipamd/CMakeLists.txt

@@ -51,6 +51,7 @@ execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/bin/hipconfig --version
 string(REPLACE "." ";" VERSION_LIST ${HIP_BASE_VERSION})
 list(GET VERSION_LIST 0 HIP_VERSION_MAJOR)
 list(GET VERSION_LIST 1 HIP_VERSION_MINOR)
+set(HIP_VERSION_GITDATE 0)
 
 find_package(Git)
 
@@ -290,10 +291,6 @@ file(WRITE "${PROJECT_BINARY_DIR}/.hipInfo" ${_buildInfo})
 # Generate .hipVersion
 file(WRITE "${PROJECT_BINARY_DIR}/.hipVersion" ${_versionInfo})
 
-if(NOT DEFINED HIP_VERSION_GITDATE)
-    set(HIP_VERSION_GITDATE 0)
-endif()
-
 # Build doxygen documentation
 find_program(DOXYGEN_EXE doxygen)
 if(DOXYGEN_EXE)