x86: Move visws to platform

Signed-off-by: Thomas Gleixner <[e-mail]>

arch/x86/kernel/Makefile

···
 obj-y			+= time.o ioport.o ldt.o dumpstack.o
 obj-y			+= setup.o x86_init.o i8259.o irqinit.o jump_label.o
 obj-$(CONFIG_IRQ_WORK)  += irq_work.o
-obj-$(CONFIG_X86_VISWS)	+= visws_quirks.o
 obj-$(CONFIG_X86_32)	+= probe_roms_32.o
 obj-$(CONFIG_X86_32)	+= sys_i386_32.o i386_ksyms_32.o
 obj-$(CONFIG_X86_64)	+= sys_x86_64.o x8664_ksyms_64.o

arch/x86/platform/Makefile

···
 # Platform specific code goes here
 obj-y	+= efi/
 obj-y	+= sfi/
+obj-y	+= visws/

arch/x86/platform/visws/Makefile

···
+obj-$(CONFIG_X86_VISWS)	+= visws_quirks.o