common/Makefile: Consolidate SPL ENV options, correct inclusion

CONFIG_SPL_NET_SUPPORT is not the only time we want SPL to ahve
environment, CONFIG_SPL_ENV_SUPPORT is when we want it.
Signed-off-by: NTom Rini <trini@ti.com>

common/Makefile

@@ -219,10 +219,6 @@ ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o
 obj-$(CONFIG_SPL_YMODEM_SUPPORT) += xyzModem.o
 obj-$(CONFIG_SPL_NET_SUPPORT) += miiphyutil.o
-# environment
-obj-$(CONFIG_SPL_ENV_SUPPORT) += env_attr.o
-obj-$(CONFIG_SPL_ENV_SUPPORT) += env_flags.o
-obj-$(CONFIG_SPL_ENV_SUPPORT) += env_callback.o
 ifdef CONFIG_SPL_USB_HOST_SUPPORT
 obj-$(CONFIG_SPL_USB_SUPPORT) += usb.o usb_hub.o
 obj-$(CONFIG_USB_STORAGE) += usb_storage.o
@@ -230,14 +226,16 @@ endif
 ifdef CONFIG_SPL_SATA_SUPPORT
 obj-$(CONFIG_CMD_SCSI) += cmd_scsi.o
 endif
-ifneq ($(CONFIG_SPL_NET_SUPPORT),y)
+# environment
+ifdef CONFIG_SPL_ENV_SUPPORT
+obj-$(CONFIG_SPL_ENV_SUPPORT) += env_attr.o
+obj-$(CONFIG_SPL_ENV_SUPPORT) += env_flags.o
+obj-$(CONFIG_SPL_ENV_SUPPORT) += env_callback.o
 obj-$(CONFIG_ENV_IS_NOWHERE) += env_nowhere.o
 obj-$(CONFIG_ENV_IS_IN_MMC) += env_mmc.o
 obj-$(CONFIG_ENV_IS_IN_NAND) += env_nand.o
 obj-$(CONFIG_ENV_IS_IN_SPI_FLASH) += env_sf.o
 obj-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o
-else
-obj-y += env_nowhere.o
 endif
 endif
 # core command