av1parser: Fix potential stack overflow during tile list parsing
The tile_count_minus_1 must be less than or equal to 511 as specified in spec "6.11.1 General tile list OBU semantics"
Fixes #3214 / CVE-2024-0444 / ZDI-CAN-22873
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The tile_count_minus_1 must be less than or equal to 511 as specified in spec "6.11.1 General tile list OBU semantics"
Fixes #3214 / CVE-2024-0444 / ZDI-CAN-22873