Fix issue loading RM2 + Sync on a Pico1W

[erichelgeson]

Rework PIO loading a bit to support dynamic loading and tracking - also turn down tud_task to avoid any conflicts with hot path.

Thanks to @stinkerton18 for reporting/debugging with me.

[github-actions]

BlueSCSI Memory Report

Compared against release v2026.04.27

Memory Usage

Target	FLASH	RAM	SCRATCH_X	SCRATCH_Y
Pico_2_Audio_SPDIF	679.0 KB (+4.3 KB) [33%]	511.7 KB [100%]	3.5 KB [88%]	3.8 KB [94%]
Pico_2_DaynaPORT	671.3 KB (+4.3 KB) [33%]	511.7 KB [100%]	3.5 KB [88%]	3.0 KB [75%]
Pico_Audio_SPDIF	701.0 KB (+4.6 KB) [34%]	252.4 KB [99%]	1.5 KB [38%]	768 B [19%]
Pico_DaynaPORT	692.9 KB (+4.7 KB) [34%]	246.1 KB [96%]	1.5 KB [38%]	—
Ultra	688.3 KB (+4.3 KB) [34%]	511.7 KB [100%]	3.5 KB [88%]	3.0 KB [75%]
Ultra_Wide	447.9 KB (+3.9 KB) [22%]	511.7 KB [100%]	2.0 KB [50%]	3.0 KB [75%]

Symbol Region Changes

Pico_Audio_SPDIF: 1 symbols moved RAM → FLASH (-96 B RAM)

Symbol	Size
scsiDiskFolderIsTapeFolder(FsFile*)	96 B

Pico_DaynaPORT: 1 symbols moved RAM → FLASH (-96 B RAM)

Symbol	Size
scsiDiskFolderIsTapeFolder(FsFile*)	96 B

[androda]

Assuming this has been tested on the 1W and a few other types just to be sure, the change looks good to me

[stinkerton18]

Indeed, I was testing/validating on my 1W with an Adaptec 2740, a couple Future Mark ISA cards, a BusLogic ISA card, and an even older 8-bit NCR card, all working now.