SWDEV-283266 - Fix hipRTC script bugs
SWDEV-283266 - Fix hipRTC script bugs

Remove extra -isystem causing --cuda-device-only flag
to be dropped. Fix missing __hipRTC_header_size symbol.
Add macros which were consumed during pre-processor
generation. Add INT_MAX and CHAR_BIT macros used in
HIP headers.

Change-Id: Id5143e3c8a2b1e7c78658ba84d5ab3b55ac1fa72

ROCm-Developer-Tools/HIP,ROCm-Developer-Tools/HIP,ROCm-Developer-Tools/HIP,ROCm-Developer-Tools/HIP,ROCm-Developer-Tools/HIP