ARM: bcm_defconfig: Unset CONFIG_CRYPTO_ANSI_CPRNG

Do not build the Pseudo Random Number Generation for Cryptographic
modules since it is not currently being used for this platform.

Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
diff --git a/arch/arm/configs/bcm_defconfig b/arch/arm/configs/bcm_defconfig
index 7b71561..7a8564e 100644
--- a/arch/arm/configs/bcm_defconfig
+++ b/arch/arm/configs/bcm_defconfig
@@ -118,6 +118,7 @@
 CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=110
 CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
 # CONFIG_FTRACE is not set
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRC_CCITT=y
 CONFIG_CRC_T10DIF=y
 CONFIG_CRC_ITU_T=y