spl: Kconfig: Drop the _SUPPORT postfix from SPL_DFU

The symbol CONFIG_SPL_DFU_SUPPORT in SPL build has the same
meaning as CONFIG_DFU in regular U-Boot. Drop the _SUPPORT
to allow for cleaner use in code.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Lukasz Majewski <lukma@denx.de>
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index d175bb6..aa24b66 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -794,7 +794,7 @@
 	  since the network stack uses a number of environment variables.
 	  See also SPL_NET_SUPPORT and SPL_ETH_SUPPORT.
 
-config SPL_DFU_SUPPORT
+config SPL_DFU
 	bool "Support DFU (Device Firmware Upgrade)"
 	select SPL_HASH_SUPPORT
 	select SPL_DFU_NO_RESET
@@ -809,11 +809,11 @@
 
 choice
 	bool "DFU device selection"
-	depends on SPL_DFU_SUPPORT
+	depends on SPL_DFU
 
 config SPL_DFU_RAM
 	bool "RAM device"
-	depends on SPL_DFU_SUPPORT && SPL_RAM_SUPPORT
+	depends on SPL_DFU && SPL_RAM_SUPPORT
 	help
 	 select RAM/DDR memory device for loading binary images
 	 (u-boot/kernel) to the selected device partition using
diff --git a/common/spl/Makefile b/common/spl/Makefile
index a130a5b..6f8d759 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -26,7 +26,7 @@
 obj-$(CONFIG_$(SPL_TPL_)FAT_SUPPORT) += spl_fat.o
 obj-$(CONFIG_$(SPL_TPL_)EXT_SUPPORT) += spl_ext.o
 obj-$(CONFIG_$(SPL_TPL_)SATA_SUPPORT) += spl_sata.o
-obj-$(CONFIG_$(SPL_TPL_)DFU_SUPPORT) += spl_dfu.o
+obj-$(CONFIG_$(SPL_TPL_)DFU) += spl_dfu.o
 obj-$(CONFIG_$(SPL_TPL_)SPI_LOAD) += spl_spi.o
 obj-$(CONFIG_$(SPL_TPL_)RAM_SUPPORT) += spl_ram.o
 obj-$(CONFIG_$(SPL_TPL_)USB_SDP_SUPPORT) += spl_sdp.o
diff --git a/common/spl/spl_ram.c b/common/spl/spl_ram.c
index 5fcc3b1..954e91a 100644
--- a/common/spl/spl_ram.c
+++ b/common/spl/spl_ram.c
@@ -35,7 +35,7 @@
 
 	header = (struct image_header *)CONFIG_SPL_LOAD_FIT_ADDRESS;
 
-#if CONFIG_IS_ENABLED(DFU_SUPPORT)
+#if CONFIG_IS_ENABLED(DFU)
 	if (bootdev->boot_device == BOOT_DEVICE_DFU)
 		spl_dfu_cmd(0, "dfu_alt_info_ram", "ram", "0");
 #endif
@@ -76,7 +76,7 @@
 #if CONFIG_IS_ENABLED(RAM_DEVICE)
 SPL_LOAD_IMAGE_METHOD("RAM", 0, BOOT_DEVICE_RAM, spl_ram_load_image);
 #endif
-#if CONFIG_IS_ENABLED(DFU_SUPPORT)
+#if CONFIG_IS_ENABLED(DFU)
 SPL_LOAD_IMAGE_METHOD("DFU", 0, BOOT_DEVICE_DFU, spl_ram_load_image);
 #endif