kernel: Build config in to kernel

Requested by openpower partners doing bringup.

Change-Id: I86632bbdeb416a3fc268c1446727f0e6b799c050
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/meta-openbmc-bsp/meta-aspeed/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig b/meta-openbmc-bsp/meta-aspeed/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
index 8cdd082..609cd70 100644
--- a/meta-openbmc-bsp/meta-aspeed/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
+++ b/meta-openbmc-bsp/meta-aspeed/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
@@ -3,6 +3,8 @@
 CONFIG_SYSVIPC=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_CGROUPS=y
 CONFIG_BLK_DEV_INITRD=y