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/designators.csv

@@ -31,6 +31,7 @@ C406:1
 D201:1
 D202:1
 D203:1
+D204:1
 D301:1
 D302:1
 D401:1
@@ -42,8 +43,6 @@ D406:1
 F201:1
 F401:1
 F402:1
-F403:1
-F404:1
 HS201:1
 J301:1
 J401:1
@@ -80,7 +79,6 @@ R201:1
 R202:1
 R203:1
 R204:1
-R205:1
 R206:1
 R207:1
 R208:1
@@ -104,6 +102,8 @@ R409:1
 R410:1
 R411:1
 R412:1
+R413:1
+R414:1
 SW301:1
 SW302:1
 TP201:1
@@ -120,3 +120,5 @@ U401:1
 U402:1
 U403:1
 U404:1
+U405:1
+U406:1