linux-raspberrypi: update to v6.12.94 #2174

Job	Run time
Yocto / Approved commit	3s
Yocto / Device info	13s
Yocto / Source mirror IAM role	3s
Yocto / All jobs (raspberrypicm4-ioboard, balena-cloud.com, sign.balena-cloud.com)	2s
Yocto / Build	0s
Yocto / Deploy to S3	0s
Yocto / Deploy AMI	0s
Yocto / Deploy hostApp	0s
Yocto / Test	0s
	21s

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