configs: imx8m: Enable CONFIG_ARMV8_CRYPTO support

This enables armv8 crypto extension usage for SHA1/SHA256.

Which speed up sha1/sha256 operations, about 10x faster with
a imx8mm evk for a 20MiB kernel hash verification (12ms vs 165ms).

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Fabio Estevam <festevam@denx.de>

diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig
index 8cd7c7a..fbe676d 100644 (file)
--- a/arch/arm/mach-imx/imx8m/Kconfig
+++ b/arch/arm/mach-imx/imx8m/Kconfig
@@ -4,6 +4,7 @@ config IMX8M
        bool
        select HAS_CAAM
        select ROM_UNIFIED_SECTIONS
+       select ARMV8_CRYPTO
 
 config IMX8MQ
        bool