arm: compile with the generic rwsem

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

Note this one is only cosmetic. You'll also need this commit: https://github.com/hellsgod/hells-Core-N5/commit/1454d19174c8400c6f9eaa577da9091491304902

hells
hells_defconfig: hC-b6.2