vicam: use request_firmware()

Although it wasn't actually using ihex records before, we use the Intel
HEX record format for this firmware -- because that gives us a simple
way to split it into separate chunks internally as we need, without
loading each part as a separate file.

Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

WHENCE

@@ -265,3 +265,13 @@ Licence: Distributable
  * modification.
 
 --------------------------------------------------------------------------
+
+Driver: USB_VICAM -- USB 3com HomeConnect (aka vicam)
+
+File: vicam/firmware.fw
+
+Licence: Unknown
+
+Found in hex form in kernel source.
+
+--------------------------------------------------------------------------