configs/imx7dpico: bump U-Boot version to 2019.10

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/imx7dpico_defconfig

@@ -25,7 +25,7 @@ BR2_TARGET_UBOOT_SPL=y
 BR2_TARGET_UBOOT_SPL_NAME="SPL"
 BR2_TARGET_UBOOT_BOARDNAME="pico-pi-imx7d"
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2019.07"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2019.10"
 BR2_TARGET_UBOOT_FORMAT_DTB_IMG=y
 
 # wifi firmware for brcm43439