hwrng: iproc-rng200 - Add support for 7211

BCM7211 features a RNG200 hardware random number generator block, add
support for this chip by matching the chip-specific compatible string.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
1 file changed