The code that detects a failed soft reset of Octeon is comparing the wrong
value against the reset value of the Octeon SLI_SCRATCH_1 register,
resulting in an inability to detect a soft reset failure.  Fix it by using
the correct value in the comparison, which is any non-zero value.

Fixes: f21fb3ed ("Add support of Cavium Liquidio ethernet adapters")
Fixes: c0eab5b3 ("liquidio: CN23XX firmware download")
Signed-off-by: NDerek Chickles <derek.chickles@cavium.com>
Signed-off-by: NSatanand Burla <satananda.burla@cavium.com>
Signed-off-by: NRaghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: NFelix Manlunas <felix.manlunas@cavium.com>
Reviewed-by: NLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>