This uses the new header files for register definitions and
extracts the core frequency from syscon rather than hard coding it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Use a symlink to share the console code in hello_world. Not ideal,
but we can improve on it later.
Signed-off-by: Anton Blanchard <anton@linux.ibm.com>