arm64: defconfig: Enable some IPMI configs

The arm64 port now runs on servers which use IPMI. This patch enables
relevant core configs to save manually enabling them when testing
mainline.
Signed-off-by: John Garry <john.garry@huawei.com>
[olof: Switched to =m instead of =y]
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm64/configs/defconfig

@@ -308,6 +308,9 @@ CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y
 CONFIG_SERIAL_MVEBU_UART=y
 CONFIG_SERIAL_DEV_BUS=y
 CONFIG_VIRTIO_CONSOLE=y
+CONFIG_IPMI_HANDLER=m
+CONFIG_IPMI_DEVICE_INTERFACE=m
+CONFIG_IPMI_SI=m
 CONFIG_TCG_TPM=y
 CONFIG_TCG_TIS_I2C_INFINEON=y
 CONFIG_I2C_CHARDEV=y