msm: mpq8064: Fix vcap_fmt header potential compiler error

If there was code that included vcap_fmt but not videodev2 there
would be a compiler error. Added videodev2 include into vcaP_fmt

Change-Id: I3793256eba0d489ac17ab69cdac9ec5fa4eac38e
Signed-off-by: Terence Hampson <thampson@codeaurora.org>