arm: imx6: tqma6: add support for TQMa6DL variant

This adds support for TQMa6DL using i.MX6DL and 1GiB DRAM
Since The module will use the same devicetree, we patch
the ram size in ft_board_setup.

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
diff --git a/board/tqc/tqma6/tqma6_mba6.c b/board/tqc/tqma6/tqma6_mba6.c
index 0be7845..43349ad 100644
--- a/board/tqc/tqma6/tqma6_mba6.c
+++ b/board/tqc/tqma6/tqma6_mba6.c
@@ -59,7 +59,7 @@
 #define IOMUX_SW_PAD_CTRL_GRP_DDR_TYPE_RGMII	0x02e0790
 #define IOMUX_SW_PAD_CTRL_GRP_RGMII_TERM	0x02e07ac
 
-#elif defined(CONFIG_TQMA6S)
+#elif defined(CONFIG_TQMA6S) || defined(CONFIG_TQMA6DL)
 
 #define IOMUX_SW_PAD_CTRL_GRP_DDR_TYPE_RGMII	0x02e0768
 #define IOMUX_SW_PAD_CTRL_GRP_RGMII_TERM	0x02e0788
@@ -245,13 +245,14 @@
  * optimized pad skew values depends on CPU variant on the TQMa6x module:
  * CONFIG_TQMA6Q: i.MX6Q/D
  * CONFIG_TQMA6S: i.MX6S
+ * CONFIG_TQMA6DL: i.MX6DL
  */
 #if defined(CONFIG_TQMA6Q)
 #define MBA6X_KSZ9031_CTRL_SKEW	0x0032
 #define MBA6X_KSZ9031_CLK_SKEW	0x03ff
 #define MBA6X_KSZ9031_RX_SKEW	0x3333
 #define MBA6X_KSZ9031_TX_SKEW	0x2036
-#elif defined(CONFIG_TQMA6S)
+#elif defined(CONFIG_TQMA6S) || defined(CONFIG_TQMA6DL)
 #define MBA6X_KSZ9031_CTRL_SKEW	0x0030
 #define MBA6X_KSZ9031_CLK_SKEW	0x03ff
 #define MBA6X_KSZ9031_RX_SKEW	0x3333