__LINUX_ERRNO_EXTENSIONS__ gets defined in HAL/inc/sys/alt_errno.h,
however we also need to define this if we are building with newlib. So
add a simple ifdef guard to only define __LINUX_ERRNO_EXTENSIONS__ if
its not defined already.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Add the basic infrastructure like driver <-> IRQ mapping table
and ZEPHYR_RTOS compile time flag which are neccessary to make
use the HAL drivers from Zephyr shim drivers.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Add the Altera HAL sources from Altera Quartus Lite SDK
to Zephyr OS under 'ext/hal/altera' folder.
Origin: Altera Quartus Prime Lite SDK
URL: http://dl.altera.com/?edition=lite
Version: v17.0
Purpose: Provides HAL support to Altera's soft IP's
Maintained-by: External
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>