CHROMIUM: Input: elan_i2c - Add ic type 0x03

The 0x03 is valid 3000 serial ic type too.

Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
BUG=chrome-os-partner:45285
TEST=on chromebook with Elan touchpad, boot and touchpad works.

Change-Id: I038886a232397095fb9011c1b6d25e232bcc206d
Reviewed-on: https://chromium-review.googlesource.com/300672
Commit-Ready: 政維 林 <dusonlin@emc.com.tw>
Tested-by: 政維 林 <dusonlin@emc.com.tw>
Reviewed-by: 政維 林 <dusonlin@emc.com.tw>
Reviewed-by: Charlie Mooney <charliemooney@chromium.org>

Author: dusonlin

drivers/input/mouse/elan_i2c_core.c

@@ -102,6 +102,7 @@ static int elan_get_fwinfo(u8 iap_version, u16 *validpage_count,
 		*validpage_count = 512;
 		break;
 	case 0x09:
+	case 0x03:
 		*validpage_count = 768;
 		break;
 	case 0x0D: