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/ichspi.c b/ichspi.c
index 0258626..833c0c3 100644
--- a/ichspi.c
+++ b/ichspi.c
@@ -1381,7 +1381,7 @@
 	ich_spibar = physmap("VT8237S MMIO registers", mmio_base, 0x70);
 
 	/* Not sure if it speaks all these bus protocols. */
-	buses_supported = CHIP_BUSTYPE_LPC | CHIP_BUSTYPE_FWH;
+	buses_supported = BUS_LPC | BUS_FWH;
 	register_spi_programmer(&spi_programmer_via);
 
 	msg_pdbg("0x00: 0x%04x     (SPIS)\n", mmio_readw(ich_spibar + 0));