add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/powerpc/platforms/powermac/backlight.c
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..
@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Miscellaneous procedures for dealing with the PowerMac hardware.
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  * Contains support for the backlight.