[INKA4x0] NG hardware: SDRAM support

Add support for three new DDR chips that may  be present on a NG
INKA4x0 hardware: HYB25D512160BF-5, K4H511638C-7CB3, T46V32M16BN-6IT.

Cleanup board/inka4x0/mt48lc16m16a2-75.h file.

Signed-off-by: Marian Balakowicz <m8@semihalf.com>
diff --git a/board/inka4x0/hyb25d512160bf-5.h b/board/inka4x0/hyb25d512160bf-5.h
new file mode 100644
index 0000000..7eb1f50
--- /dev/null
+++ b/board/inka4x0/hyb25d512160bf-5.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2007 Semihalf
+ * Written by Marian Balakowicz <m8@semihalf.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#define SDRAM_DDR	1		/* is DDR */
+
+/* Settings for XLB = 132 MHz */
+#define SDRAM_MODE	0x018D0000
+#define SDRAM_EMODE	0x40090000
+#define SDRAM_CONTROL	0x714F0F00
+#define SDRAM_CONFIG1	0x73711930
+#define SDRAM_CONFIG2	0x46770000
+#define SDRAM_TAPDELAY	0x10000000