ggml-cuda: Add generic NVFP4 MMQ kernel (llama/21074)

ggml-cuda: Add generic NVFP4 MMQ kernel (llama/21074)

* Introduced NVFP4 generic MMQ kernel

* Added extra FP8 guard, hope to solve ci HIP failure

* Rename tiles and use HIP_FP8_AVAILABLE

* Removed remaning FP8 straggler and added const int

* Const

* Removed DECL_MMQ_CASE artifact

* Removed newline

* Removed space after else

* Changed HIP FP8 NVFP4 conversion gate

* Added new line to bottom of mmq.cu 270

* Removed extra spaces

* Removed single space in front of else on line 814

* Added NVFP4 to generate cu script so HIP can see it, further tightened logic

* Include generated mmq-instance-nvfp4.cu

* Added NVFP4 mmq to HIP Check ignore list

* Update ggml/src/ggml-cuda/mmq.cuh

Changed to Q3_K tile to read MMQ_MMA_TILE_X_K_NVFP4

Co-authored-by: Johannes Gäßler <redacted>
* Update ggml/src/ggml-cuda/mmq.cuh

Changed to Q3_K tile to read MMQ_MMA_TILE_X_K_NVFP4 in tile assert

Co-authored-by: Johannes Gäßler <redacted>
* Update ggml/src/ggml-cuda/mmq.cuh

Added function name ending for end if

Co-authored-by: Johannes Gäßler <redacted>
* Added function names to closing endif

Co-authored-by: Johannes Gäßler <redacted>
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Co-authored-by: Johannes Gäßler <redacted>