misc: Clean up warnings

Signed-off-by: cocafe <cocafehj@gmail.com>
dbx500-prcmu: Fix section mismatch

Signed-off-by: AdiPat <adithemagnificent@gmail.com>
display-s6e663m0: Fix section mismatch

Signed-off-by: AdiPat <adithemagnificent@gmail.com>
display-s6e63m0: Fix Section mismatch

Signed-off-by: AdiPat <adithemagnificent@gmail.com>