chipset_enable: Mark VX855 as tested

I can confirm a successful reading and writing of SST49LF080A (LPC) on a
Wyse Cx0 Thin Client (Phoenix BIOS 1.0G).

Change-Id: I8f48b49ccb760f69d676ec6cbb233e532b12fbe8
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-on: https://review.coreboot.org/23158
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/chipset_enable.c b/chipset_enable.c
index a46651f..8243455 100644
--- a/chipset_enable.c
+++ b/chipset_enable.c
@@ -1713,7 +1713,7 @@
 	{0x1106, 0x8231, NT,  "VIA", "VT8231",				enable_flash_vt823x},
 	{0x1106, 0x8324, OK,  "VIA", "CX700",				enable_flash_vt823x},
 	{0x1106, 0x8353, NT,  "VIA", "VX800/VX820",			enable_flash_vt_vx},
-	{0x1106, 0x8409, NT,  "VIA", "VX855/VX875",			enable_flash_vt_vx},
+	{0x1106, 0x8409, OK,  "VIA", "VX855/VX875",			enable_flash_vt_vx},
 	{0x1106, 0x8410, OK,  "VIA", "VX900",				enable_flash_vt_vx},
 	{0x1166, 0x0200, OK,  "Broadcom", "OSB4",			enable_flash_osb4},
 	{0x1166, 0x0205, OK,  "Broadcom", "HT-1000",			enable_flash_ht1000},