hwrng: bcm63xx - allow building for BMIPS_GENERIC

Now that we have device tree support and BCM6368 is supported in BMIPS_GENERIC,
we can use it for BMIPS_GENERIC too.
Signed-off-by: NÁlvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/char/hw_random/Kconfig

@@ -77,7 +77,7 @@ config HW_RANDOM_ATMEL
 
 config HW_RANDOM_BCM63XX
 	tristate "Broadcom BCM63xx Random Number Generator support"
-	depends on BCM63XX
+	depends on BCM63XX || BMIPS_GENERIC
 	default HW_RANDOM
 	---help---
 	  This driver provides kernel-side support for the Random Number