configs/imxrt1050-evk: Use zImage instead of uImage

imxrt1050-evk was using uImage switch to using zImage
now.

Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

board/freescale/imxrt1050evk/genimage.cfg

@@ -1,7 +1,7 @@
 image boot.vfat {
 	vfat {
 		files = {
-			"uImage",
+			"zImage",
 			"imxrt1050-evk.dtb",
 		}
 	}

board/freescale/imxrt1050evk/uboot.fragment

@@ -1,2 +1,2 @@
 CONFIG_USE_BOOTCOMMAND=y
-CONFIG_BOOTCOMMAND="setenv bootargs console=ttyLP0 root=/dev/mmcblk0p2 rw earlycon rootwait;load mmc 0:1 0x80800000 imxrt1050-evk.dtb;load mmc 0:1 0x80000000 uImage;bootm 0x80000000 - 0x80800000"
+CONFIG_BOOTCOMMAND="setenv bootargs console=ttyLP0 root=/dev/mmcblk0p2 rw earlycon rootwait;load mmc 0:1 0x80800000 imxrt1050-evk.dtb;load mmc 0:1 0x80000000 zImage;bootz 0x80000000 - 0x80800000"

configs/imxrt1050-evk_defconfig

@@ -14,7 +14,7 @@ BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.7"
 BR2_LINUX_KERNEL_DEFCONFIG="imxrt"
-BR2_LINUX_KERNEL_UIMAGE=y
+BR2_LINUX_KERNEL_ZIMAGE=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="nxp/imx/imxrt1050-evk"