qcom_defconfig: enable android boot image support

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/configs/qcom_defconfig b/configs/qcom_defconfig
index 2df5788..1e3ac6a 100644
--- a/configs/qcom_defconfig
+++ b/configs/qcom_defconfig
@@ -4,7 +4,7 @@
 CONFIG_ARCH_SNAPDRAGON=y
 CONFIG_DEFAULT_DEVICE_TREE="dragonboard845c"
 CONFIG_SYS_LOAD_ADDR=0x0
-# CONFIG_ANDROID_BOOT_IMAGE is not set
+CONFIG_ANDROID_BOOT_IMAGE=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_BOOTSTD_FULL=y