configs: engicam: Increase nand kernel partition size

Increase the nand kernel partition size, for supporting
large uImage files, maximum 8MiB.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

include/configs/imx6qdl_icore.h

@@ -131,7 +131,7 @@
 # define CONFIG_MTD_PARTITIONS
 # define MTDIDS_DEFAULT			"nand0=nand"
 # define MTDPARTS_DEFAULT		"mtdparts=nand:2m(spl),2m(uboot)," \
-					"1m(env),4m(kernel),1m(dtb),-(rootfs)"
+					"1m(env),8m(kernel),1m(dtb),-(rootfs)"
 
 # define CONFIG_APBH_DMA
 # define CONFIG_APBH_DMA_BURST

include/configs/imx6ul_geam.h

@@ -130,7 +130,7 @@
 # define CONFIG_MTD_PARTITIONS
 # define MTDIDS_DEFAULT			"nand0=nand"
 # define MTDPARTS_DEFAULT		"mtdparts=nand:2m(spl),2m(uboot)," \
-					"1m(env),4m(kernel),1m(dtb),-(rootfs)"
+					"1m(env),8m(kernel),1m(dtb),-(rootfs)"
 
 # define CONFIG_APBH_DMA
 # define CONFIG_APBH_DMA_BURST