arm: Update jadecpu board

Enable dcache and arch memset/memcpy for speed reasons
Remove of config.mk and some environment overwrites
Some generic cleanup

Signed-off-by: Matthias Weisser <weisserm@arcor.de>

board/syteco/jadecpu/config.mk

diff --git a/board/syteco/jadecpu/config.mk b/board/syteco/jadecpu/config.mk
deleted file mode 100644
index 617603d..0000000
--- a/board/syteco/jadecpu/config.mk
+++ /dev/null
@@ -1 +0,0 @@
-CONFIG_SYS_TEXT_BASE = 0x10000000

board/syteco/jadecpu/jadecpu.c

diff --git a/board/syteco/jadecpu/jadecpu.c b/board/syteco/jadecpu/jadecpu.c
index 69476f8..a7b6e70 100644
--- a/board/syteco/jadecpu/jadecpu.c
+++ b/board/syteco/jadecpu/jadecpu.c
@@ -44,6 +44,7 @@
 	gd->bd->bi_boot_params = PHYS_SDRAM + PHYS_SDRAM_SIZE - 0x10000;
 
 	icache_enable();
+	dcache_enable();
 
 	return 0;
 }
@@ -125,9 +126,6 @@
 		setenv("preboot", "run gs_slow_boot");
 	} else if ((in_word & 0xC0) != 0) {
 		setenv("stdout", "vga");
-		setenv("gs_bootcmd", "mw.l 0x40000000 0 1024; usb start;"
-			"fatls usb 0; fatload usb 0 0x40000000 mcq5resq.bin;"
-			"bootelf 0x40000000; bootelf 0x10080000");
 		setenv("preboot", "run gs_slow_boot");
 	} else {
 		setenv("stdin", "serial");
@@ -136,7 +134,6 @@
 		if (getenv("gs_devel")) {
 			setenv("preboot", "run gs_slow_boot");
 		} else {
-			setenv("gs_bootcmd", "bootelf 0x10080000");
 			setenv("preboot", "run gs_fast_boot");
 		}
 	}