README.hardware: drop mention of binary-only drivers

EMGD isn't provided in meta-intel anymore, so there's no point telling
people to look there.

(From meta-yocto rev: 9b8ec43df1d288d5360fde85413961a4234e6b17)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

README.hardware

@@ -105,9 +105,7 @@ Intel Atom platforms:
 
 and is likely to work on many unlisted Atom/Core/Xeon based devices. The MACHINE
 type supports ethernet, wifi, sound, and Intel/vesa graphics by default in
-addition to common PC input devices, busses, and so on.  Note that it does not
-included the binary-only graphic drivers used on some Atom platforms, for
-accelerated graphics on these machines please refer to meta-intel.
+addition to common PC input devices, busses, and so on.
 
 Depending on the device, it can boot from a traditional hard-disk, a USB device,
 or over the network. Writing generated images to physical media is