irqdomain: soc: Switch to irq_find_mapping()

irqdomain: soc: Switch to irq_find_mapping()

irq_linear_revmap() is deprecated, so remove all its uses and supersede
them by an identical call to irq_find_mapping().

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20250319092951.37667-49-jirislaby@kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>