meta-aspeed: linux: Enable raw KCS driver

Change-Id: I844441c5e33eba55eb252ea445b75835bab2f735
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/meta-aspeed/recipes-kernel/linux/linux-aspeed/aspeed-g4/defconfig b/meta-aspeed/recipes-kernel/linux/linux-aspeed/aspeed-g4/defconfig
index e16c47c..6ef0c4c 100644
--- a/meta-aspeed/recipes-kernel/linux/linux-aspeed/aspeed-g4/defconfig
+++ b/meta-aspeed/recipes-kernel/linux/linux-aspeed/aspeed-g4/defconfig
@@ -134,6 +134,7 @@
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_ASPEED_KCS_IPMI_BMC=y
 CONFIG_IPMI_KCS_BMC_CDEV_IPMI=y
+CONFIG_IPMI_KCS_BMC_CDEV_RAW=y
 CONFIG_ASPEED_BT_IPMI_BMC=y
 CONFIG_HW_RANDOM_TIMERIOMEM=y
 CONFIG_DEVMEM_BOOTPARAM=y