docs: Update unreleased changes in changelog and README

- Fixed USB hub controller (U401/CH334): XO pin connected to GND for crystal-less operation
- Fixed DC/DC converter (U202/XR76208): Enable circuit changed to Zener diode for 12V operation
- Fixed USB outputs: Replaced fuses with TPS2557 power distribution switches for backfeed protection

production/positions.csv

@@ -25,13 +25,14 @@ C306,142.875,-77.6,180.0,top
 C307,142.875,-75.2,180.0,top
 C401,180.78,-78.7,0.0,top
 C402,178.125,-77.2,180.0,top
-C403,175.4,-104.9,270.0,top
+C403,172.3,-105.8,0.0,top
 C404,178.42,-78.4,180.0,top
 C405,185.0,-103.5,90.0,top
-C406,180.4,-103.6,270.0,top
+C406,177.1,-100.5,180.0,top
 D201,165.4,-89.8,180.0,top
 D202,165.4,-94.0,180.0,top
 D203,165.4,-91.9,180.0,top
+D204,150.35,-114.6,90.0,top
 D301,165.4,-96.1,180.0,top
 D302,150.5875,-78.5,180.0,top
 D401,156.6375,-89.85,90.0,top
@@ -43,8 +44,6 @@ D406,184.15,-79.25,0.0,top
 F201,155.6,-103.2,90.0,top
 F401,143.1125,-104.0,180.0,top
 F402,143.0125,-87.2,180.0,top
-F403,184.5625,-110.8,0.0,top
-F404,179.6625,-100.3,0.0,top
 HS201,157.15,-112.15,270.0,bottom
 J301,162.5,-70.5,270.0,bottom
 J401,138.725,-95.6,270.0,top
@@ -66,8 +65,7 @@ Q404,159.5,-83.59,0.0,top
 R201,162.69,-90.8,0.0,top
 R202,162.7,-92.8,0.0,top
 R203,162.69,-91.8,0.0,top
-R204,153.5,-121.25,90.0,top
-R205,154.5,-121.25,270.0,top
+R204,152.35,-119.9,90.0,top
 R206,156.68,-121.25,90.0,top
 R207,155.48,-121.25,270.0,top
 R208,154.0,-119.25,0.0,top
@@ -91,6 +89,8 @@ R409,190.4,-87.8,0.0,top
 R410,190.4,-76.2,0.0,top
 R411,190.2,-113.8,180.0,top
 R412,190.2,-102.2,180.0,top
+R413,185.31,-113.15,180.0,top
+R414,180.95,-100.8,0.0,top
 SW301,166.5,-78.5,270.0,top
 SW302,171.0,-78.5,270.0,top
 U201,182.6,-75.7,180.0,top
@@ -101,3 +101,5 @@ U401,178.2,-81.5,90.0,top
 U402,184.1,-82.0,90.0,top
 U403,184.1625,-107.5,270.0,top
 U404,178.2,-88.6,180.0,top
+U405,183.6,-111.1,0.0,top
+U406,178.65,-103.65,90.0,top