memory_bus: Move related declarations into new `chipdrivers/memory_bus.h`

Change-Id: I2bef65de77860d049ec3d9938ae777c5f929c258
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.sourcearcade.org/c/flashprog/+/438
diff --git a/82802ab.c b/82802ab.c
index aa2ba4f..e53e788 100644
--- a/82802ab.c
+++ b/82802ab.c
@@ -24,7 +24,7 @@
 
 #include <stdbool.h>
 #include "flash.h"
-#include "chipdrivers.h"
+#include "chipdrivers/memory_bus.h"
 
 void print_status_82802ab(uint8_t status)
 {