ARM: atmel: armv7: move spl lds to armv7 directory

As the u-boot-spl.lds is used only for armv7 SoCs (includes
sama5d3 and sama5d4), so move it to armv7 directory.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
diff --git a/include/configs/sama5d3_xplained.h b/include/configs/sama5d3_xplained.h
index 5dab61d..c82728e 100644
--- a/include/configs/sama5d3_xplained.h
+++ b/include/configs/sama5d3_xplained.h
@@ -227,7 +227,7 @@
 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
 
 #ifdef CONFIG_SYS_USE_MMC
-#define CONFIG_SPL_LDSCRIPT		arch/arm/mach-at91/u-boot-spl.lds
+#define CONFIG_SPL_LDSCRIPT		arch/arm/mach-at91/armv7/u-boot-spl.lds
 #define CONFIG_SPL_MMC_SUPPORT
 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x400
 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200