board: ls2085aqds: Update kernel_size env variable

kernel_size env variable is defined as 0x28000000, it is beyond NOR
flash range. Update kernel_size with 40MB kernel size.
Signed-off-by: NPrabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: NYork Sun <york.sun@nxp.com>

include/configs/ls2080aqds.h

@@ -346,7 +346,7 @@ unsigned long get_board_ddr_clk(void);
 	"initrd_high=0xffffffffffffffff\0"	\
 	"kernel_start=0x581100000\0"		\
 	"kernel_load=0xa0000000\0"		\
-	"kernel_size=0x28000000\0"
+	"kernel_size=0x2800000\0"
 
 #ifdef CONFIG_FSL_MC_ENET
 #define CONFIG_FSL_MEMAC