hw_random: add Broadcom BCM63xx RNG driver

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: mpm@selenic.com
Cc: herbert@gondor.apana.org.au
Patchwork: https://patchwork.linux-mips.org/patch/3327/
Patchwork: https://patchwork.linux-mips.org/patch/4072/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index f45dad3..6640311 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -73,6 +73,20 @@
 
 	  If unsure, say Y.
 
+config HW_RANDOM_BCM63XX
+	tristate "Broadcom BCM63xx Random Number Generator support"
+	depends on HW_RANDOM && BCM63XX
+	default HW_RANDOM
+	---help---
+	  This driver provides kernel-side support for the Random Number
+	  Generator hardware found on the Broadcom BCM63xx SoCs.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called bcm63xx-rng
+
+	  If unusure, say Y.
+
+
 config HW_RANDOM_GEODE
 	tristate "AMD Geode HW Random Number Generator support"
 	depends on HW_RANDOM && X86_32 && PCI