The local variable 'handle' should have the type __be32 instead of u32.

Fixes: 745b361e ("tpm: infrastructure for TPM spaces")
Signed-off-by: NJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com>