x86, realmode: Move kernel/realmode.c to realmode/init.c

Keep all the realmode code together, including initialization (only
the rm/ subdirectory is actually built as real-mode code, anyway.)
Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@intel.com>

arch/x86/kernel/Makefile

@@ -35,7 +35,6 @@ obj-y			+= tsc.o io_delay.o rtc.o
 obj-y			+= pci-iommu_table.o
 obj-y			+= resource.o
 
-obj-y				+= realmode.o
 obj-y				+= process.o
 obj-y				+= i387.o xsave.o
 obj-y				+= ptrace.o

arch/x86/realmode/Makefile

@@ -9,6 +9,7 @@
 
 subdir- := rm
 
+obj-y += init.o
 obj-y += rmpiggy.o
 
 $(obj)/rmpiggy.o: $(obj)/rm/realmode.bin