wireless-drivers fixes for v5.15

First set of fixes for v5.15 and only iwlwifi patches this time. Most
important being support for new hardware and new firmware API.

I had already earlier applied a fix which also Linus applied to this
tree as commit 1476ff21abb4 ("iwl: fix debug printf format strings"),
but this doesn't seem to cause any conflicts so I left it there.

iwlwifi

* add support for firmware API 66

* add support for Samsung Galaxy Book Flex2 Alpha

* fix a leak happening every time module is loaded

* fix a printk compiler warning
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