To enable this patch, you will need to edit the PATCHES-* variable inside
the Makefile

--- x230t.GCHT25WW.img.orig.hex	2017-07-12 12:51:57.975502349 -0400
+++ x230t.GCHT25WW.img.hex	2017-07-12 12:52:03.703479675 -0400
@@ -8657,8 +8657,8 @@
 00022180  58 00 59 6f 00 00 00 00  9e 9e 00 9f 9f 00 4a 4a  |X.Yo..........JJ|
 00022190  00 00 00 00 b2 00 00 00  8c 1f 02 00 40 00 00 00  |............@...|
 000221a0  30 21 02 00 f0 20 02 00  0b 00 00 00 70 21 02 00  |0!... ......p!..|
-000221b0  01 02 11 10 1f 6e 2e 83  00 00 00 00 00 00 00 00  |.....n..........|
-000221c0  70 03 12 1e 20 2d 2f 00  00 00 00 00 00 00 00 00  |p... -/.........|
+000221b0  01 02 11 10 1f 1e 2e 83  00 00 00 00 00 00 00 00  |................|
+000221c0  70 03 12 6e 20 2d 2f 00  00 00 00 00 00 00 00 00  |p..n -/.........|
 000221d0  71 04 13 72 21 73 30 00  00 00 00 00 00 00 00 00  |q..r!s0.........|
 000221e0  06 05 14 15 22 23 31 32  00 00 00 00 00 00 00 00  |...."#12........|
 000221f0  07 08 17 16 25 24 34 33  00 00 00 00 00 00 00 00  |....%$43........|