omap4-common: camera: libexif was renamed to libjhead in 4.4.3

Change-Id: Ifd06b3fa6d57a748d776ccef9574094149733473
camera: allow building for any 4.4.x version

Change-Id: I2df835d6e4e8c2d04db1b0a8d340c6643f1cc9c5
camera: Add 4.4.4 to versions using libjhead

Change-Id: I49014758f52dbc3d407689e233ba864439128d40
omap4-common: tweak cpufreq configuration

Change-Id: If03ffdd14c4b6d62d0f76545b2b2db6bc0852c53