Fix stale RxDone race condition in sx12xx driver#2

ringlej merged 1 commit intogridpoint-4.3.0gridpoint-com/zephyr:gridpoint-4.3.0from

bug/sc-220449/memory-allocation-failures-for-lora-packetsgridpoint-com/zephyr:bug/sc-220449/memory-allocation-failures-for-lora-packetsCopy head branch name to clipboard