armv8/ls2085rdb: Update PCA9547PW slave address

Primary Mux on I2C1 controller has slave address as 0x75.
So update its address.

Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

include/configs/ls2085ardb.h

@@ -239,8 +239,8 @@ unsigned long get_board_sys_clk(void);
 /*
  * I2C
  */
-#define I2C_MUX_PCA_ADDR		0x77
-#define I2C_MUX_PCA_ADDR_PRI		0x77 /* Primary Mux*/
+#define I2C_MUX_PCA_ADDR		0x75
+#define I2C_MUX_PCA_ADDR_PRI		0x75 /* Primary Mux*/
 
 /* I2C bus multiplexer */
 #define I2C_MUX_CH_DEFAULT      0x8