Rename CHIP_BUSTYPE_FOO to BUS_FOO

It's shorter to type, and we have less problems with the 80 column limit.

Corresponding to flashrom svn r1396.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
diff --git a/serprog.c b/serprog.c
index e8a4402..3adb958 100644
--- a/serprog.c
+++ b/serprog.c
@@ -462,7 +462,7 @@
 
 	if (sp_docommand(S_CMD_Q_BUSTYPE, 0, NULL, 1, &c)) {
 		msg_perr("Warning: NAK to query supported buses\n");
-		c = CHIP_BUSTYPE_NONSPI;	/* A reasonable default for now. */
+		c = BUS_NONSPI;	/* A reasonable default for now. */
 	}
 	buses_supported = c;