ARM: vfpmodule: Move bounce stats file to seq_file and
 friends

In future kernels create_proc_entry() is going to be removed.
Let's modernize this code and use regular file operations and
seq_printf() to avoid experiencing compilation problems in future
kernels.

Change-Id: Ie53663e099ff72a3eec84df7c3f77e15c0e539be
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
(cherry picked from commit f9e76398f88fafaac071880f6253a7bef45e695d)
Signed-off-by: thirdzcee <thirdzcee@github.com>

Conflicts:
	arch/arm/vfp/vfpmodule.c