arm: socfpga: Move sdram_config.h to board dir

This file is absolutelly positively board specific, so move it
into the correct place.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/arch/arm/mach-socfpga/include/mach/sdram_config.h b/board/altera/socfpga/qts/sdram_config.h
similarity index 100%
rename from arch/arm/mach-socfpga/include/mach/sdram_config.h
rename to board/altera/socfpga/qts/sdram_config.h
diff --git a/drivers/ddr/altera/sdram.c b/drivers/ddr/altera/sdram.c
index 5d8fed3..2822d1d 100644
--- a/drivers/ddr/altera/sdram.c
+++ b/drivers/ddr/altera/sdram.c
@@ -8,10 +8,15 @@
 #include <watchdog.h>
 #include <asm/arch/fpga_manager.h>
 #include <asm/arch/sdram.h>
-#include <asm/arch/sdram_config.h>
 #include <asm/arch/system_manager.h>
 #include <asm/io.h>
 
+/*
+ * FIXME: This path is temporary until the SDRAM driver gets
+ *        a proper thorough cleanup.
+ */
+#include "../../../board/altera/socfpga/qts/sdram_config.h"
+
 /* define constant for 4G memory - used for SDRAM errata workaround */
 #define MEMSIZE_4G (4ULL * 1024ULL * 1024ULL * 1024ULL)