lib: Adjust media_spin and gpu_fill to our code style

Let's adjust code to our coding style during refactoring
media_spin code.
Few more changes in gpgpu_fill lib was made as well:
intend align and /s/unsigned/unsigned int.

v2: fixed minor typos
v3: few more style changes
v4: few indentation changes

Signed-off-by: Katarzyna Dec <katarzyna.dec@intel.com>
Cc: Lukasz Kalamarz <lukasz.kalamarz@intel.com>
Cc: Antonio Argenziano <antonio.argenziano@intel.com>
Cc: Ewelina Musial <ewelina.musial@intel.com>
Reviewed-by: Ewelina Musial <ewelina.musial@intel.com>
4 files changed