support psram for esp32s3 (QEMU-220)

[dongsheng28849455]

Support psram for esp32s3
The size is up to 32M, and try to fix the issue #103

Description

Related

Testing

Tested with nuttx/esp32/esp32s3 platform
qemu-system-xtensa -m 32M -semihosting -serial mon:stdio -machine esp32s3 -drive file=nuttx,if=mtd,format=raw -nic user,model=open_eth

NuttShell (NSH) NuttX-12.6.0-RC1
nsh>
nsh>
nsh> free
total used free maxused maxfree nused nfree
Kmem: 378896 23464 355432 23848 355416 31 2
Umem: 32964608 10640 32953968 11024 32953968 9 1
nsh>

Checklist

Before submitting a Pull Request, please ensure the following:

• 🚨 This PR does not introduce breaking changes.
• All CI checks (GH Actions) pass.
• Documentation is updated as needed.
• Tests are updated or added as necessary.
• Code is well-commented, especially in complex areas.
• Git history is clean — commits are squashed to the minimum necessary.

[igrr]

@dongsheng28849455 We've merged PSRAM support for S3 in 39534c3 and 89fe574. Thanks again for the contribution and sorry we didn't use your version.

[dongsheng28849455]

@dongsheng28849455 We've merged PSRAM support for S3 in 39534c3 and 89fe574. Thanks again for the contribution and sorry we didn't use your version.

That's great, thank you!