habanalabs: use FIELD_PREP() instead of <<

Use the standard FIELD_PREP() macro instead of << operator to perform
bitmask operations. This ensures type check safety and eliminate compiler
warnings.

Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>