move misc/printk.h to sys/printk.h and
create a shim for backward-compatibility.
No functional changes to the headers.
A warning in the shim can be controlled with CONFIG_COMPAT_INCLUDES.
Related to #16539
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Add a sample application for demonstrating automatic generation of
Character Framebuffer (CFB) font headers at build time.
Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>