configs: pandaboard: bump kernel to 4.5

Notice: We cannot move to u-boot 2016.03 without changing the boot setup as
2016.03 broke legacy boot on omap4.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/pandaboard_defconfig

@@ -2,14 +2,14 @@ BR2_arm=y
 BR2_cortex_a9=y
 BR2_ARM_ENABLE_NEON=y
 BR2_ARM_ENABLE_VFP=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_4=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_5=y
 BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttyO2"
 BR2_SYSTEM_DHCP="eth0"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/pandaboard/post-image.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.4.3"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.5"
 BR2_LINUX_KERNEL_DEFCONFIG="omap2plus"
 BR2_LINUX_KERNEL_ZIMAGE=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y