arm: mvebu: Remove unused macro CONFIG_SYS_U_BOOT_OFFS

Macro CONFIG_SYS_U_BOOT_OFFS is set but not used anymore. Remove it.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/include/configs/helios4.h b/include/configs/helios4.h
index 3875377..1368080 100644
--- a/include/configs/helios4.h
+++ b/include/configs/helios4.h
@@ -69,12 +69,8 @@
 #define CONFIG_SPL_STACK		(0x40000000 + ((192 - 16) << 10))
 #define CONFIG_SPL_BOOTROM_SAVE		(CONFIG_SPL_STACK + 4)
 
-#if defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_SPI)
-/* SPL related SPI defines */
-#define CONFIG_SYS_U_BOOT_OFFS		0x20000
-#elif defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_MMC) || defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_SATA)
+#if defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_MMC) || defined(CONFIG_MVEBU_SPL_BOOT_DEVICE_SATA)
 /* SPL related MMC defines */
-#define CONFIG_SYS_U_BOOT_OFFS			(160 << 10)
 #ifdef CONFIG_SPL_BUILD
 #define CONFIG_FIXED_SDHCI_ALIGNED_BUFFER	0x00180000	/* in SDRAM */
 #endif