treewide: Replace the usage of DEBUG macro with MESA_DEBUG=0|1 macro

this is a rework of !21946 (closed), by using vscode find&replace along with the following folders are excluded:

docs,*.rs,addrlib,src/imgui,*.sh,src/intel/vulkan/grl/gpu

The following changes are done by find&replace and verified manually

• treewide: Replace #ifndef DEBUG with #if !MESA_DEBUG

• treewide: Replace defined(DEBUG) with MESA_DEBUG

• treewide: Replace #ifdef DEBUG with #if MESA_DEBUG

• nine: Switch "#if defined(DEBUG) || !defined(NDEBUG)" to "#if MESA_DEBUG_ANY"

Other changes are manually modifed

No sure if this MR Closes #4965 (closed)