configs/minnowboard_max: bump kernel to version 4.4

And point the readme to wiki.minnowboard.org instead of the legacy
elinux.org page.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

board/minnowboard-max/readme.txt

@@ -37,4 +37,4 @@ Prepare the SD card for the Minnow Board MAX
  4. Enjoy
 
 Additional information about this board can be found at
-http://www.minnowboard.org/ or http://elinux.org/Minnowboard:MinnowMax.
+http://www.minnowboard.org/ or http://wiki.minnowboard.org/MinnowBoard_MAX

configs/minnowboard_max_defconfig

@@ -6,10 +6,10 @@ BR2_x86_atom=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/minnowboard-max/post-build.sh"
 
-# Lock to 3.19 headers to avoid breaking with newer kernels
+# Lock to 4.4 headers to avoid breaking with newer kernels
 BR2_KERNEL_HEADERS_VERSION=y
-BR2_DEFAULT_KERNEL_VERSION="3.19.1"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_19=y
+BR2_DEFAULT_KERNEL_VERSION="4.4"
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_4=y
 
 # Needed for ethernet
 BR2_PACKAGE_LINUX_FIRMWARE=y
@@ -18,9 +18,9 @@ BR2_PACKAGE_LINUX_FIRMWARE_RTL_8169=y
 # Linux kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="3.19.1"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.4"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
-BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/minnowboard-max/linux-3.19.config"
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/minnowboard-max/linux.config"
 
 # Bootloader
 BR2_TARGET_GRUB2=y