USB: visor add ACER S10 palm device id

modprobe visor vendor=0x502 product=0x1
is said to work, plus there are patch instructions for it.
fixes http://bugs.debian.org/340547
see http://www.chinaitpower.com/A/2004-07-28/87909.html

Signed-off-by: Maximilian Attems <max@stro.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/visor.h b/drivers/usb/serial/visor.h
index 4ce6f62..57229cf 100644
--- a/drivers/usb/serial/visor.h
+++ b/drivers/usb/serial/visor.h
@@ -48,6 +48,9 @@
 #define SONY_CLIE_UX50_ID		0x0144
 #define SONY_CLIE_TJ25_ID		0x0169
 
+#define ACER_VENDOR_ID			0x0502
+#define ACER_S10_ID			0x0001
+
 #define SAMSUNG_VENDOR_ID		0x04E8
 #define SAMSUNG_SCH_I330_ID		0x8001
 #define SAMSUNG_SPH_I500_ID		0x6601