usb: gadget: mbim: Set wMaxSegmentSize to 4064

According to the specification max_segment_size must be
at least 2048. To allow adding additional bytes to
ethernet frame based on ntb_out_max_size = 4094,
max_segment_size must be smaller than ntb_out_max_size.

Change-Id: Id3b9ef7c834f94f16d2fef238671c38038951a1f
CRs-Fixed: 362693
Signed-off-by: Anna Perel <aperel@codeaurora.org>
diff --git a/drivers/usb/gadget/f_mbim.c b/drivers/usb/gadget/f_mbim.c
index b2a013c..41a1777 100644
--- a/drivers/usb/gadget/f_mbim.c
+++ b/drivers/usb/gadget/f_mbim.c
@@ -216,7 +216,7 @@
 	.wMaxControlMessage =	cpu_to_le16(0x1000),
 	.bNumberFilters =	0x10,
 	.bMaxFilterSize =	0x80,
-	.wMaxSegmentSize =	cpu_to_le16(0x1000),
+	.wMaxSegmentSize =	cpu_to_le16(0xfe0),
 	.bmNetworkCapabilities = 0x20,
 };