rpi-kernel: enable F2FS_FS_SECURITY config
rpi-kernel: enable F2FS_FS_SECURITY config

This enables the use of the disabled-by-default "security." namespace in
extended attributes, allowing for storage of capabilities on files.

Closes #9569.

coredumb/void-packages,NeoChontrix/void-packages,floGik/void-packages,NeoChontrix/void-packages,EaterOfCode/void-packages,floGik/void-packages,NeoChontrix/void-packages,EaterOfCode/void-packages,coredumb/void-packages,EaterOfCode/void-packages,EaterOfCode/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,floGik/void-packages,coredumb/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,coredumb/void-packages,floGik/void-packages,floGik/void-packages,coredumb/void-packages,NeoChontrix/void-packages,coredumb/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,EaterOfCode/void-packages,floGik/void-packages