docs: update readme

Signed-off-by: sakumisu <1203593632@qq.com>

port/dwc2/README.md

@@ -1,10 +1,10 @@
 # Note
 
-If you are using more than one port, all ip parameters must be the same(like fifo num, endpoint num, dma support and so on), otherwise give up using multi ports.
+Please note that host must support dma mode.
 
 ## Support Chip List
 
-## STM32
+### STM32
 
 **有且仅有 PB14/PB15 引脚支持 host 模式, 部分 F7/H7 可能 PA11/PA12 也支持**。
 
@@ -16,13 +16,13 @@ If you are using more than one port, all ip parameters must be the same(like fif
 - STM32L4xx
 - STM32U5xx
 
-## AT32
+### AT32
 
 **有且仅有 AT32F405xx PB14/PB15引脚支持 host 模式**。
 
 - AT32F402xx、AT32F405xx、AT32F415xx、AT32F423xx、AT32F425xx、AT32F435xx、AT32F437xx
 
-## GD32
+### GD32
 
 **由于无法读取 DWC2 配置信息，并且有部分寄存器是非标准的，因此暂时无法支持 GD 系列**。
 
@@ -30,22 +30,22 @@ If you are using more than one port, all ip parameters must be the same(like fif
 - GD32F405、GD32F407
 - GD32F350、GD32F450
 
-## HC32
+### HC32
 
 - HC32F4A0
 
-## Espressif
+### Espressif
 
 - ESP32S2、ESP32S3、ESP32P4
 
-## Sophgo
+### Sophgo
 
 - CV18xx
 
-## Kendryte
+### Kendryte
 
 - K230
 
-## Nationstech
+### Nationstech
 
 - N32H4X

port/musb/README.md

@@ -17,3 +17,7 @@
 ### AllwinnerTech
 
 - F1Cxxx, F2Cxxx
+
+### SIFLI
+
+- SF325X

port/nxp/README.md

@@ -12,6 +12,6 @@ Modify USB_NOCACHE_RAM_SECTION
 
 - MCXN9XX/MCXN236 (chipidea + EHCI)
 
-## IMRT
+### IMRT
 
 - IMRT10XX/IMRT11XX (chipidea + EHCI)