sys: move some include dirs

	. sys/machine should be sys/arch/i386

diff --git a/sys/machine/bootinfo.h b/sys/arch/i386/include/bootinfo.h
similarity index 100%
rename from sys/machine/bootinfo.h
rename to sys/arch/i386/include/bootinfo.h

diff --git a/sys/machine/cdefs.h b/sys/arch/i386/include/cdefs.h
similarity index 100%
rename from sys/machine/cdefs.h
rename to sys/arch/i386/include/cdefs.h

diff --git a/sys/machine/cpu.h b/sys/arch/i386/include/cpu.h
similarity index 100%
rename from sys/machine/cpu.h
rename to sys/arch/i386/include/cpu.h

diff --git a/sys/machine/loadfile_machdep.h b/sys/arch/i386/include/loadfile_machdep.h
similarity index 100%
rename from sys/machine/loadfile_machdep.h
rename to sys/arch/i386/include/loadfile_machdep.h

diff --git a/sys/machine/multiboot.h b/sys/arch/i386/include/multiboot.h
similarity index 100%
rename from sys/machine/multiboot.h
rename to sys/arch/i386/include/multiboot.h

diff --git a/sys/machine/pio.h b/sys/arch/i386/include/pio.h
similarity index 100%
rename from sys/machine/pio.h
rename to sys/arch/i386/include/pio.h

diff --git a/sys/machine/rwlock.h b/sys/arch/i386/include/rwlock.h
similarity index 100%
rename from sys/machine/rwlock.h
rename to sys/arch/i386/include/rwlock.h