vulkan: Warptile tuning for Intel Xe2/Xe3 (#18178)
* modify warptile tuning for xe3
* intel vendor check w/ coopmat support
* fix back formatting
* fix formatting change 2
* move intel check to chip specific tuning part
* Change to support both windows and linux
* modify m_warptile to l_warptile for intel
* modify warptile tuning for bf16 matmuls to fix regression (m_warptile to l_warptile)
* Code style changes
* Code style changes (2)
* Code style changes (3)
