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

--- x230.G2HT35WW.img.hex	2017-09-20 21:12:02.011604376 +0300
+++ x230.G2HT35WW.img.dvorak.hex	2017-09-20 22:02:06.947252472 +0300
@@ -8514,14 +8514,14 @@
 000218a0  02 4f 6d 00 53 6b 00 54  58 00 59 6f 00 00 00 00  |.Om.Sk.TX.Yo....|
 000218b0  9e 9e 00 9f 9f 00 4a 4a  00 00 00 00 b2 00 00 00  |......JJ........|
 000218c0  b4 16 02 00 40 00 00 00  58 18 02 00 18 18 02 00  |....@...X.......|
-000218d0  0b 00 00 00 98 18 02 00  01 02 11 10 1f 6e 2e 83  |.............n..|
-000218e0  00 00 00 00 00 00 00 00  70 03 12 1e 20 2d 2f 00  |........p... -/.|
-000218f0  00 00 00 00 00 00 00 00  71 04 13 72 21 73 30 00  |........q..r!s0.|
-00021900  00 00 00 00 00 00 00 00  06 05 14 15 22 23 31 32  |............"#12|
-00021910  00 00 00 00 00 00 00 00  07 08 17 16 25 24 34 33  |............%$43|
-00021920  00 00 00 00 00 00 00 00  0d 09 18 1c 26 75 35 38  |............&u58|
-00021930  00 00 00 00 00 00 00 00  77 0a 19 76 27 84 36 85  |........w..v'.6.|
-00021940  00 00 00 00 00 00 00 00  0c 0b 1a 1b 28 29 2a 37  |............()*7|
+000218d0  0b 00 00 00 98 18 02 00  01 02 29 10 1f 6e 28 83  |..........)..n(.|
+000218e0  00 00 00 00 00 00 00 00  70 03 35 3a 19 2d 11 00  |........p.5:.-..|
+000218f0  00 00 00 00 00 00 00 00  71 04 36 72 13 73 25 00  |........q.6r.s%.|
+00021900  00 00 00 00 00 00 00 00  06 05 1a 16 17 18 26 2f  |..............&/|
+00021910  00 00 00 00 00 00 00 00  07 08 23 22 24 21 34 32  |..........#"$!42|
+00021920  00 00 00 00 00 00 00 00  1c 09 30 0d 15 75 12 38  |..........0..u.8|
+00021930  00 00 00 00 00 00 00 00  77 0a 14 76 33 84 31 85  |........w..v3.1.|
+00021940  00 00 00 00 00 00 00 00  1b 0b 27 37 20 0c 2a 2e  |..........'7 .*.|
 00021950  00 00 00 00 00 00 00 00  78 79 0e 0f 1d 74 2b 3d  |........xy...t+=|
 00021960  00 00 00 00 00 00 00 00  4b 7b 00 9b 00 00 00 59  |........K{.....Y|
 00021970  00 00 00 00 00 00 00 00  4c 7a 9a 99 98 97 a0 54  |........Lz.....T|
@@ -8529,8 +8529,8 @@
 00021990  00 00 00 00 00 00 00 00  50 51 00 00 00 53 7e 4f  |........PQ...S~O|
 000219a0  00 00 00 00 00 00 00 00  00 7c 7d 00 00 3c 00 3e  |.........|}..<.>|
 000219b0  00 00 00 00 00 00 00 00  00 00 00 2c 00 00 39 00  |...........,..9.|
-000219c0  00 00 00 00 00 00 00 00  3a 00 00 00 00 00 40 00  |........:.....@.|
-000219d0  00 00 00 00 00 00 00 96  00 9d 00 9e 9f 4a 3a 9c  |.............J:.|
+000219c0  00 00 00 00 00 00 00 00  1e 00 00 00 00 00 40 00  |..............@.|
+000219d0  00 00 00 00 00 00 00 96  00 9d 00 9e 9f 4a 1e 9c  |.............J..|
 000219e0  7d 7e 00 00 00 00 00 00  ff 00 7f 00 7f 00 ff 00  |}~..............|
 000219f0  ff 00 ff 00 ff 00 ff 00  ff 00 8b 00 ff 00 d3 00  |................|
 00021a00  e3 00 a6 00 48 00 41 80  fa 03 00 00 a0 97 00 00  |....H.A.........|