crypto: tegra - check return value for hash do_one_req

Initialize and check the return value in hash *do_one_req() functions
and exit the function if there is an error. This fixes the
'uninitialized variable' warnings reported by testbots.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202412071747.flPux4oB-lkp@intel.com/


Fixes: 0880bb3b ("crypto: tegra - Add Tegra Security Engine driver")
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>