Change to generate hipVersion.h (#1726)

HIP_VERSION_MAJOR, HIP_VERSION_MINOR, HIP_VERSION_PATCH and HIP_VERSION pre-processor macros are now defined in hipVersion.h instead of being set by hipcc.

[ROCm/hip commit: aa4aea0754]

projects/hip/bin/hipcc

@@ -341,7 +341,7 @@ if ($HIP_PLATFORM eq "clang") {
 }
 
 # Add paths to common HIP includes:
-$HIPCXXFLAGS .= " -isystem $HIP_INCLUDE_PATH -DHIP_VERSION_MAJOR=$HIP_VERSION_MAJOR -DHIP_VERSION_MINOR=$HIP_VERSION_MINOR -DHIP_VERSION_PATCH=$HIP_VERSION_GITDATE" ;
+$HIPCXXFLAGS .= " -isystem $HIP_INCLUDE_PATH" ;
 
 my $compileOnly = 0;
 my $needCXXFLAGS = 0;  # need to add CXX flags to compile step