image_types: check COMPRESS_DEPENDS for backwards compatibility
To complete the transition/renaming to chained image type CONVERSION
while maintaining bacwards compatibility to COMPRESS(ION), make sure also
COMPRESS_DEPENDS is checked. Without this, the dependencies for legacy
COMPRESSIONTYPES do not get built.
Signed-off-by: Mikko Ylinen <mikko.ylinen@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>