Fetching every u32 from memory leads to a big overhead. So let's fetch all of them as a block if possible.
This reduces the Memory::* calls by the dma_pusher by a factor of 10.
This was previously causing:
warning C4828: The file contains a character starting at offset 0xa33
that is illegal in the current source character set (codepage 65001).
warnings on Windows when compiling yuzu.
