[U-Boot] [PATCH v2] sunxi: Fix build when CONFIG_CMD_PXE or CONFIG_CMD_DHCP are disabled

[megous at megous.com]

From: Ondrej Jirman <megous at megous.com>

Fixes a compilation failure with disabled PXE or DHCP command when using
sunxi platform.

Signed-off-by: Ondřej Jirman <megous at megous.com>
---
This was previously sent as a part of other series of patches, but
it's unrelated to the rest of the patches, so I'm resending it
individually.

v2:
- improved description

 include/configs/sunxi-common.h | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index b01d1c3c84..d421b93509 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -399,6 +399,18 @@ extern int soft_i2c_gpio_scl;
 #define BOOT_TARGET_DEVICES_USB(func)
 #endif
 
+#ifdef CONFIG_CMD_PXE
+#define BOOT_TARGET_DEVICES_PXE(func) func(PXE, pxe, na)
+#else
+#define BOOT_TARGET_DEVICES_PXE(func)
+#endif
+
+#ifdef CONFIG_CMD_DHCP
+#define BOOT_TARGET_DEVICES_DHCP(func) func(DHCP, dhcp, na)
+#else
+#define BOOT_TARGET_DEVICES_DHCP(func)
+#endif
+
 /* FEL boot support, auto-execute boot.scr if a script address was provided */
 #define BOOTENV_DEV_FEL(devtypeu, devtypel, instance) \
 	"bootcmd_fel=" \
@@ -414,8 +426,8 @@ extern int soft_i2c_gpio_scl;
 	BOOT_TARGET_DEVICES_MMC(func) \
 	BOOT_TARGET_DEVICES_SCSI(func) \
 	BOOT_TARGET_DEVICES_USB(func) \
-	func(PXE, pxe, na) \
-	func(DHCP, dhcp, na)
+	BOOT_TARGET_DEVICES_PXE(func) \
+	BOOT_TARGET_DEVICES_DHCP(func)
 
 #ifdef CONFIG_OLD_SUNXI_KERNEL_COMPAT
 #define BOOTCMD_SUNXI_COMPAT \
-- 
2.20.1