crypto: qat/qat_420xx - fix off by one in uof_get_name()

This is called from uof_get_name_420xx() where "num_objs" is the
ARRAY_SIZE() of fw_objs[].  The > needs to be >= to prevent an out of
bounds access.

Fixes: fcf60f4b ("crypto: qat - add support for 420xx devices")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>