arm64: defconfig: Enable HISILICON_LPC

Now that the driver has been merged for the HiSilicon
LPC host, enable the relevant config.

Turning on this config will also enable config
INDIRECT_PIO, which would have not been enabled
previously - see config info for more details.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/configs/defconfig

@@ -170,6 +170,7 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_DMA_CMA=y
+CONFIG_HISILICON_LPC=y
 CONFIG_MTD=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_M25P80=y