To allow for some generic io accessors introduce io.h and use
this instead of asm/io.h throughout the tree.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This patch adds Altera UART driver. Kconfig and Makefile are
updated to include this new driver.
Signed-off-by: Franck JULLIEN <franck.jullien@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>