acpi/sata: add generic sata ssdt port generator

generate_sata_ssdt_ports() generates ports based on sata enable map

Change-Id: Ie68e19c93f093d6c61634c4adfde484b88f28a77
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: http://review.coreboot.org/9708
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-by: Peter Stuge <peter@stuge.se>

src/acpi/sata.h

@@ -0,0 +1,3 @@
+#include <stdint.h>
+
+void generate_sata_ssdt_ports(const char *scope, uint32_t enable_map);