calib: Enable I2C GPIO expanders connected via BBB's I2C

Change-Id: I057183fe756a45bf53e4eaeed5bb8d88a702700b
diff --git a/configs/czechlight_beaglebone_defconfig b/configs/czechlight_beaglebone_defconfig
index e7641dd..24efca9 100644
--- a/configs/czechlight_beaglebone_defconfig
+++ b/configs/czechlight_beaglebone_defconfig
@@ -25,7 +25,7 @@
 BR2_LINUX_KERNEL_DEFCONFIG="omap2plus"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/linux.fragment $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/linux.fragment"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/czechlight-bbb.dts"
+BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/czechlight-bbb.dts $(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/beaglebone/calibration-bbb.dts"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_PACKAGE_LINUX_TOOLS_GPIO=y
 BR2_PACKAGE_LINUX_TOOLS_PERF=y