sh/intc: Restore devm_ioremap() alignment

Restore alignment of the continuation of the devm_ioremap() call in
register_intc_controller().

Fixes: 4bdc0d67 ("remove ioremap_nocache and devm_ioremap_nocache")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rich Felker <dalias@libc.org>