- Fixed a few typos in the format map
- Added missing OpenGL ES 3.0 types to CheckTextureFormatType

Change-Id: I4a0d8ad67fd85f8c32ef528ce1b3c029fe5f84aa
Reviewed-on: https://swiftshader-review.googlesource.com/3991Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Alexis Hétu <sugoi@google.com>