shard-bmg: kms tests - skip - No KMS driver or no outputs

https://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1960479209?query_key=3c9fd73a05022b65cfac66a317919ec18cd096b9

Stdout	
Using IGT_SRANDOM=1729362214 for randomisation
Opened device: /dev/dri/card0
No KMS driver or no outputs, pipes: 0, outputs: 0
Subtest drrs-1p-primscrn-cur-indfb-draw-blt: SKIP (0.000s)

Stderr	
Subtest drrs-1p-primscrn-cur-indfb-draw-blt: SKIP (0.000s)

Dmesg	
<6> [341.768555] [IGT] kms_frontbuffer_tracking: executing
<6> [341.770325] [IGT] kms_frontbuffer_tracking: exiting, ret=77