microwatt/hello_world
Benjamin Herrenschmidt e3941109af console: Cleanup console API
Use a more generic console_init() instead of potato_uart_init(),
and do the same for interrupt control. There should be no
change in behaviour.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
..
Makefile Makefile: Improve clean a bit
head.S hello_world updates
hello_world.bin console: Cleanup console API
hello_world.c console: Cleanup console API
hello_world.elf console: Cleanup console API
hello_world.hex console: Cleanup console API
powerpc.lds Add a simple hello_world example that also echos input