Modify: modify mihawk config files

Modify mihawk config to sync up settings from witherspoon.

Signed-off-by: Joy Chu <joy_chu@wistron.com>
diff --git a/openpower/configs/mihawk_defconfig b/openpower/configs/mihawk_defconfig
index 1efb96e..61f6f62 100644
--- a/openpower/configs/mihawk_defconfig
+++ b/openpower/configs/mihawk_defconfig
@@ -23,7 +23,7 @@
 BR2_LINUX_KERNEL_ZIMAGE_EPAPR=y
 BR2_LINUX_KERNEL_XZ=y
 BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
-BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL)/configs/busybox.fragment"
+BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_OP_BUILD_PATH)/configs/busybox.fragment"
 BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
 BR2_PACKAGE_LINUX_FIRMWARE=y
 BR2_PACKAGE_LINUX_FIRMWARE_BNX2X=y
@@ -65,6 +65,7 @@
 BR2_BUILD_PNOR_SQUASHFS=y
 BR2_PACKAGE_PETITBOOT=y
 BR2_PACKAGE_PETITBOOT_MTD=y
+BR2_OCC_GPU_BIN_BUILD=y
 BR2_CAPP_UCODE_BIN_FILENAME="cappucode.bin"
 BR2_PACKAGE_LOADKEYS=y
 BR2_IMA_CATALOG_DTS="POWER9"