testing: nvdimm: asm/mce.h is not needed in nfit.c

asm/mce.h is not available on arm, and it is not needed to build nfit.c.
Remove the include.

It was likely needed for COPY_MC_TEST

Fixes: 3adb776 ("x86, libnvdimm/test: Remove COPY_MC_TEST")
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Link: https://lore.kernel.org/r/20220429074334.21771-1-msuchanek@suse.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

tools/testing/nvdimm/test/nfit.c

@@ -23,8 +23,6 @@
 #include "nfit_test.h"
 #include "../watermark.h"
 
-#include <asm/mce.h>
-
 /*
  * Generate an NFIT table to describe the following topology:
  *