qemu_arm64: Enable CONFIG_ARMV8_CRYPTO support

Now that we can make use of CPU features for sha1/sha256, enable in QEMU
so that we get some test coverage.

Cc: Loic Poulain <loic.poulain@linaro.org>
Cc: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/qemu_arm64_defconfig b/configs/qemu_arm64_defconfig
index 87acf00..f7c93ba 100644
--- a/configs/qemu_arm64_defconfig
+++ b/configs/qemu_arm64_defconfig
@@ -8,6 +8,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="qemu-arm64"
 CONFIG_DEBUG_UART_BASE=0x9000000
 CONFIG_DEBUG_UART_CLOCK=0
+CONFIG_ARMV8_CRYPTO=y
 CONFIG_SYS_LOAD_ADDR=0x40200000
 CONFIG_ENV_ADDR=0x4000000
 CONFIG_DEBUG_UART=y