sh: Drop dead rules from arch/sh/kernel/Makefile_64.

Several of these options are specific to the SHcompact ISA and will need
to be rewritten for SHmedia if they are to be supported at all. Drop
the impossible rules for now.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/kernel/Makefile_64

@@ -5,13 +5,10 @@ obj-y	:= debugtraps.o idle.o io.o io_generic.o irq.o machvec.o process_64.o \
 	   syscalls_64.o time.o topology.o traps.o traps_64.o
 
 obj-y				+= cpu/ timers/
-obj-$(CONFIG_VSYSCALL)		+= vsyscall/
 obj-$(CONFIG_SMP)		+= smp.o
-obj-$(CONFIG_SH_STANDARD_BIOS)	+= sh_bios.o
 obj-$(CONFIG_SH_CPU_FREQ)	+= cpufreq.o
 obj-$(CONFIG_MODULES)		+= sh_ksyms_64.o module.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
-obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
 obj-$(CONFIG_IO_TRAPPED)	+= io_trapped.o