x86/platform/intel/pmc_atom: Move the PMC-Atom code to arch/x86/platform/atom

This is specific driver for Intel Atom SoCs like BayTrail and
Braswell. Let's move it to dedicated folder and alleviate a
arch/x86/kernel burden.

There is no functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Aubrey Li <aubrey.li@linux.intel.com>
Cc: Kumar P Mahesh <mahesh.kumar.p@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J . Wysocki <rafael.j.wysocki@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1436192944-56496-6-git-send-email-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/kernel/Makefile

@@ -108,7 +108,6 @@ obj-$(CONFIG_EFI)			+= sysfb_efi.o
 obj-$(CONFIG_PERF_EVENTS)		+= perf_regs.o
 obj-$(CONFIG_TRACING)			+= tracepoint.o
 obj-$(CONFIG_IOSF_MBI)			+= iosf_mbi.o
-obj-$(CONFIG_PMC_ATOM)			+= pmc_atom.o
 
 ###
 # 64 bit specific files

arch/x86/platform/atom/Makefile

@@ -1 +1,2 @@
-obj-$(CONFIG_PUNIT_ATOM_DEBUG) += punit_atom_debug.o
+obj-$(CONFIG_PMC_ATOM)		+= pmc_atom.o
+obj-$(CONFIG_PUNIT_ATOM_DEBUG)	+= punit_atom_debug.o