gpu: ion: Use correct type for variables

Use correct type for variables to prevent overflow of signed
type when assiging from an unsigned type.

Change-Id: I0055d35c7310d111de590db3798950fd98f1b298
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
ion: remove ION audio heap ID hack

Change-Id: I9b455b409046f6e080e4333006526e5fcd9caa6d
defconfig: enable HDMI, enable CIFS, enable utf8 support for nls