altos: Add generic LED driver. This driver uses the generic GPIO functions and allows per-LED port and pin configuration. It supports up to 32 LEDs. Rename SoC-specific LED drivers. Remove enabled parameter to ao_led_init Signed-off-by: Keith Packard <keithp@keithp.com>
altos: Use stdbool true/false instead of TRUE/FALSE Signed-off-by: Keith Packard <keithp@keithp.com>
Switch from GPLv2 to GPLv2+ Signed-off-by: Keith Packard <keithp@keithp.com>
altos: Create balloon-specific load for TMv2 hardware Signed-off-by: Keith Packard <keithp@keithp.com>