x86/mm: Mark setup_emu2phys_nid() static

Make function static because it is used only in this file.

Signed-off-by: Benjamin Thiel <b.thiel@posteo.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200326135842.3875-1-b.thiel@posteo.de
1 file changed