i386: prepare shared mm/boot_ioremap.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/i386/mm/boot_ioremap.c b/arch/i386/mm/boot_ioremap_32.c
similarity index 100%
rename from arch/i386/mm/boot_ioremap.c
rename to arch/i386/mm/boot_ioremap_32.c