armv8: ls1046ardb: Add RDIMM support

This adds 2Rx8 RDIMM on LS1046ARDB board. Tested with RDIMM
MTA18ASF2G72PDZ and MTA9ASF1G72PZ.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls1046ardb/ddr.h b/board/freescale/ls1046ardb/ddr.h
index 9e440f6..04328f2 100644
--- a/board/freescale/ls1046ardb/ddr.h
+++ b/board/freescale/ls1046ardb/ddr.h
@@ -41,4 +41,23 @@
 	udimm0,
 };
 
+static const struct board_specific_parameters rdimm0[] = {
+	/*
+	 * memory controller 0
+	 *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
+	 * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
+	 */
+	{2,  1666, 0, 0x8,     0x0D, 0x0C0B0A08, 0x0A0B0C08,},
+	{2,  1900, 0, 0x8,     0x0E, 0x0D0C0B09, 0x0B0C0D09,},
+	{2,  2300, 0, 0xa,     0x12, 0x100F0D0C, 0x0E0F100C,},
+	{1,  1666, 0, 0x8,     0x0D, 0x0C0B0A08, 0x0A0B0C08,},
+	{1,  1900, 0, 0x8,     0x0E, 0x0D0C0B09, 0x0B0C0D09,},
+	{1,  2300, 0, 0xa,     0x12, 0x100F0D0C, 0x0E0F100C,},
+	{}
+};
+
+static const struct board_specific_parameters *rdimms[] = {
+	rdimm0,
+};
+
 #endif