sdioio: implement cmd25 #6201
Description
The current way of writing to SD cards is slow, because the usual path uses "cmd24", which requires that the SD card fully commit each 512-byte block as it is written. (There is limited use of "cmd25" but only when a single writeblocks call spans multiple 512-byte blocks)
Implement cmd25 in sdioio, with logic similar to what was done for sdcardio (#5510)