[U-Boot] rockchip: tinker: configs: Add USB, PXE, DHCP to the default boot targets

[Eddie Cai]

tinker board support ethernet and usb host, so enable USB, PXE and DHCP support.

Signed-off-by: Eddie Cai <eddie.cai.linux at gmail.com>
---
 include/configs/tinker_rk3288.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/configs/tinker_rk3288.h b/include/configs/tinker_rk3288.h
index c398e07..db573ee 100644
--- a/include/configs/tinker_rk3288.h
+++ b/include/configs/tinker_rk3288.h
@@ -13,7 +13,10 @@
 #undef BOOT_TARGET_DEVICES
 
 #define BOOT_TARGET_DEVICES(func) \
-	func(MMC, mmc, 1)
+	func(MMC, mmc, 1) \
+	func(USB, usb, 0) \
+	func(PXE, pxe, na) \
+	func(DHCP, dchp, na)
 
 #define CONFIG_ENV_IS_IN_MMC
 #define CONFIG_SYS_MMC_ENV_DEV 0
-- 
2.10.2