board: freescale: common: Add flag for LBMAP brdcfg reg offset

Add QIXIS_LBMAP_BRDCFG_REG to the save offset of LBMAP
configuration register instead of hardcoding it in
set_lbmap() function.

Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com>
Signed-off-by: Abhimanyu Saini <abhimanyu.saini@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

board/freescale/common/qixis.c

@@ -14,6 +14,13 @@
 #include <i2c.h>
 #include "qixis.h"
 
+#ifndef QIXIS_LBMAP_BRDCFG_REG
+/*
+ * For consistency with existing platforms
+ */
+#define QIXIS_LBMAP_BRDCFG_REG 0x00
+#endif
+
 #ifdef CONFIG_SYS_I2C_FPGA_ADDR
 u8 qixis_read_i2c(unsigned int reg)
 {
@@ -144,9 +151,9 @@ static void __maybe_unused set_lbmap(int lbmap)
 {
 	u8 reg;
 
-	reg = QIXIS_READ(brdcfg[0]);
+	reg = QIXIS_READ(brdcfg[QIXIS_LBMAP_BRDCFG_REG]);
 	reg = (reg & ~QIXIS_LBMAP_MASK) | lbmap;
-	QIXIS_WRITE(brdcfg[0], reg);
+	QIXIS_WRITE(brdcfg[QIXIS_LBMAP_BRDCFG_REG], reg);
 }
 
 static void __maybe_unused set_rcw_src(int rcw_src)