sh: 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().

[ tglx: Fix up subject prefix ]

Signed-off-by: Jiri Slaby (SUSE) <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>
Link: https://lore.kernel.org/all/[e-mail]

arch/sh/boards/mach-se/7343/irq.c

···
 	struct irq_chip_type *ct;
 	unsigned int irq_base;
 
-	irq_base = irq_linear_revmap(se7343_irq_domain, 0);
+	irq_base = irq_find_mapping(se7343_irq_domain, 0);
 
 	gc = irq_alloc_generic_chip(DRV_NAME, 1, irq_base, se7343_irq_regs,
 				    handle_level_irq);

arch/sh/boards/mach-se/7722/irq.c

···
 	struct irq_chip_type *ct;
 	unsigned int irq_base;
 
-	irq_base = irq_linear_revmap(se7722_irq_domain, 0);
+	irq_base = irq_find_mapping(se7722_irq_domain, 0);
 
 	gc = irq_alloc_generic_chip(DRV_NAME, 1, irq_base, se7722_irq_regs,
 				    handle_level_irq);