proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index f24ebfd..c91cc9c 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -10,6 +10,7 @@
 proc-y       += inode.o root.o base.o generic.o array.o \
 		proc_tty.o proc_misc.o
 proc-y	+= cmdline.o
+proc-y	+= cpuinfo.o
 proc-y	+= devices.o
 proc-y	+= loadavg.o
 proc-y	+= meminfo.o