adds ehrenberg platform

include/ehrenberg/devices/interrupt.h

@@ -0,0 +1,16 @@
+#ifndef _BSP_INTERRUPT_H
+#define _BSP_INTERRUPT_H
+
+#include <stdint.h>
+
+typedef struct __attribute((__packed__)) {
+    volatile uint32_t ip;
+    volatile uint32_t ie;
+} irq_t;
+
+inline void irq_init(irq_t* reg){
+    reg->ie = 0;
+    reg->ip = 0xFFFFFFFF;
+}
+
+#endif /* _BSP_INTERRUPT_H */